Chemistry
Foundational chemical histories, early alchemy texts, and laboratory manuals.
The Sceptical Chymist or Chymico-Physical Doubts & Paradoxes, Touching the Spagyrist's Principles Commonly call'd Hypostatical; As they are wont to be Propos'd and Defended by the Generality of Alchymists. Whereunto is præmis'd Part of another Discourse relating to the same Subject.
Boyle, Robert
13,296 Gutenberg downloadsen2007Difficulty 81 (Specialist)Elements of Agricultural Chemistry
Anderson, Thomas
8,861 Gutenberg downloadsen2008Difficulty 64 (Academic)Of Natural and Supernatural Things Also of the first Tincture, Root, and Spirit of Metals and Minerals, how the same are Conceived, Generated, Brought forth, Changed, and Augmented.
Basilius Valentinus
6,381 Gutenberg downloadsen2008Difficulty 83 (Specialist)An Elementary Study of Chemistry
McPherson, William & Henderson, William Edwards
5,169 Gutenberg downloadsen2007Difficulty 54 (Graduate)The Stock-Feeder's Manual the chemistry of food in relation to the breeding and feeding of live stock
Cameron, Charles Alexander, Sir
5,048 Gutenberg downloadsen2008Difficulty 59 (Graduate)Experiments and Considerations Touching Colours (1664)
Boyle, Robert
3,832 Gutenberg downloadsen2004Difficulty 64 (Academic)Peat and its Uses as Fertilizer and Fuel
Johnson, Samuel W. (Samuel William)
3,830 Gutenberg downloadsen2008Difficulty 57 (Graduate)The Dyeing of Cotton Fabrics: A Practical Handbook for the Dyer and Student
Beech, Franklin
3,751 Gutenberg downloadsen2007Difficulty 55 (Graduate)The book of wonders : $b gives plain and simple answers to the thousands of everyday questions that are asked and which all should be able to, but cannot answer...
Unknown
2,547 Gutenberg downloadsen2025Difficulty 48 (College)The handbook of soap manufacture
Simmons, W. H. (William Herbert) & Appleton, H. A.
2,354 Gutenberg downloadsen2007Difficulty 74 (Expert)Researches on Cellulose, 1895-1900
Cross, C. F. (Charles Frederick) & Bevan, E. J. (Edward John)
2,078 Gutenberg downloadsen2007Difficulty 66 (Academic)The reason why : $b a careful collection of many hundreds of reasons for things which, though generally believed, are imperfectly understood. A book of condensed scientific knowledge for the million
Philp, Robert Kemp
1,725 Gutenberg downloadsen2014Difficulty 86 (Specialist)How to Use the Popular Science Library; History of Science; General Index
Serviss, Garrett Putman & Selwyn-Brown, Arthur
1,718 Gutenberg downloadsen2016Difficulty 64 (Academic)The Chemical History of a Candle
Faraday, Michael
1,688 Gutenberg downloadsen2004Difficulty 47 (College)The works of the highly experienced and famous chymist, John Rudolph Glauber : $b containing, great variety of choice secrets in medicine and alchymy in the working of metallick mines, and the separation of metals: also, various cheap and easie ways of making salt-petre, and improving of barren-land, and the fruits of the earth.
Glauber, Johann Rudolf
1,657 Gutenberg downloadsen2024Difficulty 69 (Academic)Reports of Trials for Murder by Poisoning; by Prussic Acid, Strychnia, Antimony, Arsenic, and Aconita. Including the trials of Tawell, W. Palmer, Dove, Madeline Smith, Dr. Pritchard, Smethurst, and Dr. Lamson, with chemical introduction and notes on the poisons used
Browne, G. Lathom (George Lathom) & Stewart, C. G. (Charles G.), active 19th century
1,563 Gutenberg downloadsen2015Difficulty 66 (Academic)German Science Reader An Introduction to Scientific German, for Students of Physics, Chemistry and Engineering
Kroeh, Charles Frederick
1,470 Gutenberg downloadsde2007Poisons, Their Effects and Detection A Manual for the Use of Analytical Chemists and Experts
Blyth, Alexander Wynter
1,452 Gutenberg downloadsen2013Difficulty 62 (Academic)The chemistry, properties and tests of precious stones
Mastin, John
1,422 Gutenberg downloadsen2007Difficulty 71 (Expert)Discoveries and Inventions of the Nineteenth Century
Routledge, Robert
1,312 Gutenberg downloadsen2017Difficulty 51 (Graduate)The Magic and Science of Jewels and Stones
Kozminsky, Isidore
1,253 Gutenberg downloadsen2018Difficulty 60 (Graduate)The Principles of Chemistry, Volume I
Mendeleyev, Dmitry Ivanovich
1,240 Gutenberg downloadsen2016Difficulty 69 (Academic)Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries
Lavoisier, Antoine Laurent
1,169 Gutenberg downloadsen2009Difficulty 68 (Academic)Elements of the Theory and Practice of Chymistry, 5th ed.
Macquer, Pierre Joseph
1,169 Gutenberg downloadsen2014Difficulty 50 (College)Alchemy: Ancient and Modern Being a Brief Account of the Alchemistic Doctrines, and Their Relations, to Mysticism on the One Hand, and to Recent Discoveries in Physical Science on the Other Hand; Together with Some Particulars Regarding the Lives and Teachings of the Most Noted Alchemists
Redgrove, H. Stanley (Herbert Stanley)
1,161 Gutenberg downloadsen2013Difficulty 56 (Graduate)Popular Scientific Recreations in Natural Philosphy, Astronomy, Geology, Chemistry, etc., etc., etc.
Tissandier, Gaston
1,106 Gutenberg downloadsen2016Difficulty 62 (Academic)Encyclopaedia Britannica, 11th Edition, "Matter" to "Mecklenburg" Volume 17, Slice 8
Various
1,104 Gutenberg downloadsen2013Difficulty 71 (Expert)The History of Chemistry, Volume 1 (of 2)
Thomson, Thomas
1,101 Gutenberg downloadsen2015Difficulty 59 (Graduate)Porcelain
Dillon, Edward
1,074 Gutenberg downloadsen2017Difficulty 47 (College)Occult Chemistry: Clairvoyant Observations on the Chemical Elements
Besant, Annie & Leadbeater, C. W. (Charles Webster)
1,038 Gutenberg downloadsen2005Difficulty 67 (Academic)Traité élémentaire de chimie, tomes 1 & 2 Présenté dans un ordre nouveau et d'après les découvertes modernes; avec Figures
Lavoisier, Antoine Laurent
1,018 Gutenberg downloadsfr2016Encyclopaedia Britannica, 11th Edition, "Magnetite" to "Malt" Volume 17, Slice 4
Various
1,016 Gutenberg downloadsen2013Difficulty 67 (Academic)Gunpowder and Ammunition, Their Origin and Progress
Hime, H. W. L. (Henry William Lovett)
1,005 Gutenberg downloadsen2017Difficulty 52 (Graduate)The History and Practice of the Art of Photography
Snelling, Henry Hunt
996 Gutenberg downloadsen1994Difficulty 58 (Graduate)Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant.
Thomssen, Edgar George
978 Gutenberg downloadsen2010Difficulty 56 (Graduate)A Text-book of Tanning A treatise on the conversion of skins into leather, both practical and theoretical.
Procter, H. R. (Henry Richardson)
944 Gutenberg downloadsen2018Difficulty 55 (Graduate)The Story of Alchemy and the Beginnings of Chemistry
Muir, M. M. Pattison (Matthew Moncrieff Pattison)
943 Gutenberg downloadsen2004Difficulty 58 (Graduate)Foods and Their Adulteration Origin, Manufacture, and Composition of Food Products; Description of Common Adulterations, Food Standards, and National Food Laws and Regulations
Wiley, Harvey Washington
938 Gutenberg downloadsen2021Difficulty 60 (Graduate)The Principles of Chemistry, Volume II
Mendeleyev, Dmitry Ivanovich
936 Gutenberg downloadsen2017Difficulty 61 (Academic)Scientific American Supplement, No. 841, February 13, 1892
Various
927 Gutenberg downloadsen2005Difficulty 52 (Graduate)Studies in the History and Method of Science, vol. 1 (of 2)
Unknown
919 Gutenberg downloadsen2014Difficulty 57 (Graduate)Chemical warfare
Fries, Amos A. (Amos Alfred) & West, Clarence J. (Clarence Jay)
911 Gutenberg downloadsen2023Difficulty 59 (Graduate)Woman in Science With an Introductory Chapter on Woman's Long Struggle for Things of the Mind
Zahm, J. A. (John Augustine)
908 Gutenberg downloadsen2011Difficulty 66 (Academic)The Boy's Playbook of Science Including the Various Manipulations and Arrangements of Chemical and Philosophical Apparatus Required for the Successful Performance of Scientific Experiments in Illustration of the Elementary Branches of Chemistry and Natural Philosophy
Pepper, John Henry
898 Gutenberg downloadsen2013Difficulty 61 (Academic)Creative Chemistry: Descriptive of Recent Achievements in the Chemical Industries
Slosson, Edwin E. (Edwin Emery)
896 Gutenberg downloadsen2005Difficulty 65 (Academic)A text-book of assaying : $b for the use of those connected with mines.
Beringer, C. (Cornelius) & Beringer, J. J. (John Jacob)
886 Gutenberg downloadsen2006Difficulty 58 (Graduate)Field's Chromatography or Treatise on Colours and Pigments as Used by Artists
Field, George
884 Gutenberg downloadsen2007Difficulty 59 (Graduate)The Nature of Animal Light
Harvey, E. Newton (Edmund Newton)
862 Gutenberg downloadsen2010Difficulty 71 (Expert)The Microscope. Its History, Construction, and Application 15th ed. Being a familiar introduction to the use of the instrument, and the study of microscopical science
Hogg, Jabez
848 Gutenberg downloadsen2020Difficulty 67 (Academic)A History of Science — Volume 1
Williams, Henry Smith & Williams, Edward Huntington
837 Gutenberg downloadsen1999Difficulty 65 (Academic)The Progress of the Century
Unknown
830 Gutenberg downloadsen2017Difficulty 69 (Academic)Reflections on the Decline of Science in England, and on Some of Its Causes
Babbage, Charles
823 Gutenberg downloadsen1998Difficulty 63 (Academic)A system of pyrotechny : $b Comprehending the theory and practice, with the application of chemistry; designed for exhibition and for war.
Cutbush, James
820 Gutenberg downloadsen2015Difficulty 45 (College)Tobacco Leaves: Being a Book of Facts for Smokers
Brennan, William Augustine
820 Gutenberg downloadsen2011Difficulty 53 (Graduate)The Rare Earths: Their Occurrence, Chemistry, and Technology
Levy, Stanley Isaac
818 Gutenberg downloadsen2020Difficulty 63 (Academic)A History of Science — Volume 2
Williams, Henry Smith & Williams, Edward Huntington
813 Gutenberg downloadsen1999Difficulty 63 (Academic)A handbook of laboratory glass-blowing
Bolas, Bernard D. (Bernard Dell)
811 Gutenberg downloadsen2010Difficulty 54 (Graduate)Nitro-Explosives: A Practical Treatise
Sanford, P. Gerald (Percy Gerald)
806 Gutenberg downloadsen2005Difficulty 61 (Academic)A History of Science — Volume 4
Williams, Henry Smith & Williams, Edward Huntington
804 Gutenberg downloadsen1999Difficulty 68 (Academic)The Chemistry of Food and Nutrition
Duncan, A. W.
804 Gutenberg downloadsen2005Difficulty 56 (Graduate)The Manufacture of Chocolate and other Cacao Preparations
Zipperer, Paul
802 Gutenberg downloadsen2017Difficulty 57 (Graduate)History of Chemistry, Volume 1 (of 2) From the earliest time to the middle of the nineteenth century
Thorpe, T. E. (Thomas Edward)
797 Gutenberg downloadsen2017Difficulty 57 (Graduate)Perfumes and their preparation : $b Containing complete directions for making handkerchief perfumes, smelling-salts, sachets, fumigating pastils; preparations for the care of the skin, the mouth, the hair; cosmetics, hair dyes, and other toilet articles
Askinson, George William
796 Gutenberg downloadsen2017Difficulty 65 (Academic)The Chemistry of Plant Life
Thatcher, Roscoe Wilfred
791 Gutenberg downloadsen2010Difficulty 88 (Specialist)Michael Faraday, Man of Science
Jerrold, Walter
785 Gutenberg downloadsen2014Difficulty 58 (Graduate)Philosophical Transactions of the Royal Society - Vol 1 - 1666 Giving some Accompt of the present Undertakings, Studies, and Labours of the Ingenious in many considerable parts of the World
Various
771 Gutenberg downloadsen2009Difficulty 58 (Graduate)The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel
Colvin, Fred H. (Fred Herbert) & Juthe, K. A. (Kristian A.)
767 Gutenberg downloadsen2007Difficulty 52 (Graduate)Personal Recollections, from Early Life to Old Age, of Mary Somerville
Somerville, Mary
758 Gutenberg downloadsen2009Difficulty 56 (Graduate)Conversations on Chemistry, V. 1-2 In Which the Elements of that Science Are Familiarly Explained and Illustrated by Experiments
Marcet, Mrs. (Jane Haldimand)
754 Gutenberg downloadsen2008Difficulty 53 (Graduate)Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power
Leeds, F. H. (Frank Henley) & Butterfield, W. J. Atkinson (William John Atkinson)
748 Gutenberg downloadsen2005Difficulty 84 (Specialist)A Practical Handbook on the Distillation of Alcohol from Farm Products
Wright, F. B. (Frederic B.)
744 Gutenberg downloadsen2014Difficulty 57 (Graduate)General Science
Clark, Bertha May
736 Gutenberg downloadsen2005Difficulty 53 (Graduate)American Journal of Science, Vol. 1.
Various
735 Gutenberg downloadsen2016Difficulty 65 (Academic)Scientific American Supplement, No. 460, October 25, 1884
Various
732 Gutenberg downloadsen2004Difficulty 52 (Graduate)Common Science
Washburne, Carleton
717 Gutenberg downloadsen2009Difficulty 48 (College)The Chemistry of Cookery
Williams, W. Mattieu (William Mattieu)
707 Gutenberg downloadsen2016Difficulty 59 (Graduate)Biographies of distinguished scientific men. First series
Arago, F. (François)
706 Gutenberg downloadsen2005Difficulty 52 (Graduate)A New Light of Alchymie Taken out of the Fountaine of Nature, and Manuall Experience. Etc.
Sedziwój, Michal & Paracelsus
704 Gutenberg downloadsen2020Difficulty 53 (Graduate)An Introduction to the History of Science
Libby, Walter
702 Gutenberg downloadsen2012Difficulty 62 (Academic)The Phase Rule and Its Applications
Findlay, Alexander
699 Gutenberg downloadsen2010Difficulty 59 (Graduate)Forty Centuries of Ink Or, A chronological narrative concerning ink and its backgrounds, introducing incidental observations and deductions, parallels of time and color phenomena, bibliography, chemistry, poetical effusions, citations, anecdotes and curiosa together with some evidence respecting the evanescent character of most inks of to-day and an epitome of chemico-legal ink.
Carvalho, David Nunes
692 Gutenberg downloadsen1998Difficulty 56 (Graduate)The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association
Smith, Watson
686 Gutenberg downloadsen2006Difficulty 57 (Graduate)Experiments and Observations on Different Kinds of Air
Priestley, Joseph
684 Gutenberg downloadsen2009Difficulty 64 (Academic)An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes
Talbot, Henry Paul
666 Gutenberg downloadsen2004Difficulty 69 (Academic)Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
662 Gutenberg downloadsen2006Difficulty 56 (Graduate)On Molecular and Microscopic Science, Volume 1 (of 2)
Somerville, Mary
659 Gutenberg downloadsen2017Difficulty 61 (Academic)A century of science in America : $b with special reference to the American Journal of Science, 1818-1918
Unknown
656 Gutenberg downloadsen2024Difficulty 60 (Graduate)Paint Technology and Tests
Gardner, Henry A. (Henry Alfred)
651 Gutenberg downloadsen2011Difficulty 56 (Graduate)A Historical Account of Useful Inventions and Scientific Discoveries Being a manual of instruction and entertainment.
Grant, George
644 Gutenberg downloadsen2016Difficulty 62 (Academic)The Chautauquan, Vol. 05, October 1884, No. 1
Chautauqua Literary and Scientific Circle & Chautauqua Institution
639 Gutenberg downloadsen2017Difficulty 48 (College)A History of Science — Volume 5
Williams, Henry Smith & Williams, Edward Huntington
637 Gutenberg downloadsen2009Difficulty 57 (Graduate)The American Journal of Science and Arts, Volume 50 (First Series) General Index to Forty-Nine Volumes
Various
637 Gutenberg downloadsen2014Difficulty 72 (Expert)Steam, Steel and Electricity
Steele, James W.
635 Gutenberg downloadsen2005Difficulty 50 (College)Food Adulteration and Its Detection With photomicrographic plates and a bibliographical appendix
Battershall, Jesse P. (Jesse Park)
632 Gutenberg downloadsen2017Difficulty 64 (Academic)Handbuch der chemischen Technologie Achte Auflage
Wagner, Johannes Rudolf
631 Gutenberg downloadsde2018Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, II. Band Von Galilei bis zur Mitte des XVIII. Jahrhunderts
Dannemann, Friedrich
622 Gutenberg downloadsde2017The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity
Conn, H. W. (Herbert William)
622 Gutenberg downloadsen2005Difficulty 58 (Graduate)Humphry Davy, Poet and Philosopher
Thorpe, T. E. (Thomas Edward)
620 Gutenberg downloadsen2017Difficulty 58 (Graduate)Culinary Chemistry The Scientific Principles of Cookery, with Concise Instructions for Preparing Good and Wholesome Pickles, Vinegar, Conserves, Fruit Jellies, Marmalades, and Various Other Alimentary Substances Employed in Domestic Economy, with Observations on the Chemical Constitution and Nutritive Qualities of Different Kinds of Food.
Accum, Friedrich Christian
619 Gutenberg downloadsen2019Difficulty 69 (Academic)Scientific American Supplement, No. 799, April 25, 1891
Various
615 Gutenberg downloadsen2004Difficulty 50 (College)The Chautauquan, Vol. 04, October 1883
Chautauqua Literary and Scientific Circle & Chautauqua Institution
605 Gutenberg downloadsen2016Difficulty 50 (College)Dictionary of Explosives
Marshall, Arthur
603 Gutenberg downloadsen2015Difficulty 64 (Academic)Memoirs of the Distinguished Men of Science of Great Britain Living in the Years 1807-8
Walker, William
597 Gutenberg downloadsen2018Difficulty 61 (Academic)The Life of Sir Humphry Davy, Bart. LL.D., Volume 2 (of 2)
Paris, John Ayrton
596 Gutenberg downloadsen2014Difficulty 51 (Graduate)Scientific American Supplement, No. 446, July 19, 1884
Various
594 Gutenberg downloadsen2004Difficulty 55 (Graduate)The Manufacture of Paper With Illustrations, and a Bibliography of Works Relating to Cellulose and Paper-Making
Sindall, R. W. (Robert Walter)
594 Gutenberg downloadsen2014Difficulty 54 (Graduate)The Mirror of Alchimy
Bacon, Roger
594 Gutenberg downloadsen2018Difficulty 58 (Graduate)Organic Syntheses An Annual Publication of Satisfactory Methods for the Preparation of Organic Chemicals
Unknown
592 Gutenberg downloadsen1998Difficulty 58 (Graduate)The Dyeing of Woollen Fabrics
Beech, Franklin
591 Gutenberg downloadsen2006Difficulty 52 (Graduate)Scientific American Supplement, No. 795, March 28, 1891
Various
587 Gutenberg downloadsen2004Difficulty 62 (Academic)Familiar Letters on Chemistry, and Its Relation to Commerce, Physiology, and Agriculture
Liebig, Justus, Freiherr von
585 Gutenberg downloadsen2003Difficulty 63 (Academic)Scientific American Supplement, No. 586, March 26, 1887
Various
585 Gutenberg downloadsen2004Difficulty 51 (Graduate)Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
582 Gutenberg downloadsen2005Difficulty 59 (Graduate)The Art of Making Whiskey So As to Obtain a Better, Purer, Cheaper and Greater Quantity of Spirit, From a Given Quantity of Grain. Also, the Art of Converting It into Gin, after the Process of the Holland Distillers
Boucherie, Anthony
582 Gutenberg downloadsen2007Difficulty 53 (Graduate)Scientific American Supplement, No. 299, September 24, 1881
Various
580 Gutenberg downloadsen2005Difficulty 60 (Graduate)Inorganic Plant Poisons and Stimulants
Brenchley, Winifred Elsie
578 Gutenberg downloadsen2015Difficulty 61 (Academic)Five of Maxwell's Papers
Maxwell, James Clerk
577 Gutenberg downloadsen2004Difficulty 63 (Academic)The Mechanism of Life
Leduc, Stéphane
577 Gutenberg downloadsen2010Difficulty 63 (Academic)Scientific American Supplement, No. 365, December 30, 1882
Various
572 Gutenberg downloadsen2006Difficulty 57 (Graduate)Principles and practice of agricultural analysis. Volume 1 (of 3), Soils
Wiley, Harvey Washington
571 Gutenberg downloadsen2024Difficulty 64 (Academic)Scientific American Supplement, No. 288, July 9, 1881
Various
570 Gutenberg downloadsen2005Difficulty 58 (Graduate)A Select Collection of Valuable and Curious Arts and Interesting Experiments, Which are Well Explained and Warranted Genuine and may be Performed Easily, Safely, and at Little Expense.
Unknown
567 Gutenberg downloadsen2011Difficulty 46 (College)Animal Proteins
Bennett, Hugh Garner
567 Gutenberg downloadsen2012Difficulty 57 (Graduate)The art of glass-blowing : $b or Plain instructions for making the chemical and philosophical instruments which are formed of glass
Danger, T.-P.
567 Gutenberg downloadsen2017Difficulty 63 (Academic)Scientific American Supplement, No. 481, March 21, 1885
Various
557 Gutenberg downloadsen2004Difficulty 55 (Graduate)The Riddle of the Rhine: Chemical Strategy in Peace and War
Lefebure, Victor
557 Gutenberg downloadsen1998Difficulty 71 (Expert)Robert Boyle : $b A biography
Masson, Flora
555 Gutenberg downloadsen2024Difficulty 55 (Graduate)The History of Chemistry, Volume 2 (of 2)
Thomson, Thomas
554 Gutenberg downloadsen2016Difficulty 57 (Graduate)The manufacture of mineral and lake pigments : $b Containing directions for the manufacture of all artificial artists' and painters' colours, enamel colours, soot and metallic pigments
Bersch, Josef
553 Gutenberg downloadsen2023Difficulty 68 (Academic)Scientific American Supplement, No. 595, May 28, 1887
Various
550 Gutenberg downloadsen2004Difficulty 52 (Graduate)Scientific American Supplement, No. 514, November 7, 1885
Various
548 Gutenberg downloadsen2004Difficulty 54 (Graduate)Heroes of Science: Chemists
Muir, M. M. Pattison (Matthew Moncrieff Pattison)
547 Gutenberg downloadsen2011Difficulty 63 (Academic)Scientific American Supplement, No. 362, December 9, 1882
Various
547 Gutenberg downloadsen2005Difficulty 57 (Graduate)Worlds in the making: The evolution of the universe
Arrhenius, Svante
547 Gutenberg downloadsen2022Difficulty 53 (Graduate)Scientific American Supplement, No. 508, September 26, 1885
Various
545 Gutenberg downloadsen2005Difficulty 49 (College)A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations
Anonymous
543 Gutenberg downloadsen2005Difficulty 58 (Graduate)Making Fermented Pickles
LeFevre, Edwin
542 Gutenberg downloadsen2015Difficulty 51 (Graduate)Science and the Criminal
Mitchell, C. Ainsworth (Charles Ainsworth)
542 Gutenberg downloadsen2013Difficulty 67 (Academic)Scientific American magazine Vol 2. No. 3 Oct 10 1846 The Advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
542 Gutenberg downloadsen2009Difficulty 49 (College)Scientific American Supplement, No. 415, December 15, 1883
Various
542 Gutenberg downloadsen2004Difficulty 57 (Graduate)Dyes and dyeing
Pellew, Charles E. (Charles Ernest), Viscount Exmouth
541 Gutenberg downloadsen2025Difficulty 66 (Academic)Endless Amusement A Collection of Nearly 400 Entertaining Experiments in Various Branches of Science; Including Acoustics, Electricity, Magnetism, Arithmetic, Hydraulics, Mechanics, Chemistry, Hydrostatics, Optics; Wonders of the Air-Pump; All the Popular Tricks and Changes of the Cards, &c., &c. to Which is Added, a Complete System of Pyrotechny; Or, the Art of Making Fire-works.
Unknown
541 Gutenberg downloadsen2010Difficulty 100 (Quantum Electrodynamics)Scientific American Supplement, No. 447, July 26, 1884
Various
540 Gutenberg downloadsen2005Difficulty 53 (Graduate)The romance of the microscope : $b an interesting description of its uses in all branches of science, industry, agriculture, and in the detection of crime, with a short account of its origin, history, and development
Ealand, C. A. (Charles Aubrey)
540 Gutenberg downloadsen2015Difficulty 55 (Graduate)An Introduction to Chemical Science
Williams, Rufus P. (Rufus Phillips)
538 Gutenberg downloadsen2003Difficulty 51 (Graduate)Scientific American Supplement, No. 363, December 16, 1882
Various
537 Gutenberg downloadsen2005Difficulty 62 (Academic)The Principles of Leather Manufacture
Procter, H. R. (Henry Richardson)
534 Gutenberg downloadsen2018Difficulty 74 (Expert)Scientific American Supplement, No. 561, October 2, 1886
Various
533 Gutenberg downloadsen2005Difficulty 50 (College)The Story of a Piece of Coal: What It Is, Whence It Comes, and Whither It Goes
Martin, Edward A. (Edward Alfred)
533 Gutenberg downloadsen2004Difficulty 61 (Academic)Appletons' Popular Science Monthly, December 1899 Vol. LVI, November, 1899 to April, 1900
Various
532 Gutenberg downloadsen2014Difficulty 72 (Expert)Scientific American Supplement, No. 711, August 17, 1889
Various
532 Gutenberg downloadsen2005Difficulty 61 (Academic)Scientific American Supplement, No. 620, November 19,1887
Various
530 Gutenberg downloadsen2005Difficulty 57 (Graduate)Scientific American Supplement, No. 821, September 26, 1891
Various
530 Gutenberg downloadsen2004Difficulty 55 (Graduate)Scientific American Supplement, No. 360, November 25, 1882
Various
529 Gutenberg downloadsen2005Difficulty 55 (Graduate)Synthetic resins and their raw materials A survey of the types and uses of synthetic resins, the organization of the industry, and the trade in resins and raw materials, with particular references to factors essential to tariff consideration. Under the general provisions of section 332, title III, part II, Tariff act of 1930.
United States Tariff Commission
529 Gutenberg downloadsen2022Difficulty 68 (Academic)Scientific American Supplement No. 819, September 12, 1891
Various
525 Gutenberg downloadsen2005Difficulty 59 (Graduate)Scientific American Supplement, No. 384, May 12, 1883
Various
525 Gutenberg downloadsen2005Difficulty 46 (College)Scientific American Supplement, No. 643, April 28, 1888
Various
525 Gutenberg downloadsen2005Difficulty 65 (Academic)The book of cheese
Thom, Charles & Fisk, W. W. (Walter Warner)
525 Gutenberg downloadsen2012Difficulty 65 (Academic)Vegetable Dyes: Being a Book of Recipes and Other Information Useful to the Dyer
Mairet, Ethel
525 Gutenberg downloadsen2007Difficulty 46 (College)An ice cream laboratory guide
Fisk, W. W. (Walter Warner) & Ellenberger, H. B. (Howard Bowman)
518 Gutenberg downloadsen2025Difficulty 49 (College)The undertakers' manual
Renouard, Auguste
518 Gutenberg downloadsen2023Difficulty 71 (Expert)Scientific American Supplement, No. 647, May 26, 1888
Various
517 Gutenberg downloadsen2008Difficulty 58 (Graduate)Scientific American Supplement, No. 492, June 6, 1885
Various
516 Gutenberg downloadsen2004Difficulty 53 (Graduate)Scientific American Supplement, No. 483, April 4, 1885
Various
514 Gutenberg downloadsen2004Difficulty 55 (Graduate)Scientific American Supplement, No. 497, July 11, 1885
Various
512 Gutenberg downloadsen2006Difficulty 49 (College)Scientific American Supplement, No. 458, October 11, 1884
Various
511 Gutenberg downloadsen2004Difficulty 58 (Graduate)Glass Manufacture
Rosenhain, Walter
510 Gutenberg downloadsen2016Difficulty 82 (Specialist)Radio-Active Substances
Curie, Marie
510 Gutenberg downloadsen2019Difficulty 63 (Academic)Description of the Process of Manufacturing Coal Gas, for the Lighting of Streets Houses, and Public Buildings With Elevations, Sections, and Plans of the Most Improved Sorts of Apparatus Now Employed at the Gas Works in London and the Principal Provincial Towns of Great Britain; Accompanied With Comparative Estimates, Exhibiting the Most Economical Mode of Procuring This Species of Light
Accum, Friedrich Christian
508 Gutenberg downloadsen2020Difficulty 70 (Academic)Pigments, Paint and Painting: A practical book for practical men
Terry, George
508 Gutenberg downloadsen2018Difficulty 58 (Graduate)Principles and Practice of Fur Dressing and Fur Dyeing
Austin, William E.
508 Gutenberg downloadsen2013Difficulty 50 (College)The Discovery of Radium Address by Madame M. Curie at Vassar College
Curie, Marie
508 Gutenberg downloadsen2020Difficulty 53 (Graduate)Worlds Within Worlds: The Story of Nuclear Energy, Volume 3 (of 3) Nuclear Fission; Nuclear Fusion; Beyond Fusion
Asimov, Isaac
508 Gutenberg downloadsen2015Difficulty 62 (Academic)Daedalus : $b or, Science and the future
Haldane, J. B. S. (John Burdon Sanderson)
507 Gutenberg downloadsen2023Difficulty 58 (Graduate)Scientific American, Volume 17, No. 26 December 28, 1867 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
507 Gutenberg downloadsen2005Difficulty 58 (Graduate)A Manual of Photographic Chemistry, Including the Practice of the Collodion Process
Hardwich, T. Frederick
506 Gutenberg downloadsen2020Difficulty 61 (Academic)Manuel complet des fabricans de chapeaux en tous genres
Julia de Fontenelle (Jean-Sébastien-Eugène)
506 Gutenberg downloadsfr2006The Bread and Biscuit Baker's and Sugar-Boiler's Assistant Including a Large Variety of Modern Recipes
Wells, Robert
505 Gutenberg downloadsen2016Difficulty 44 (College)Scientific American Supplement, No. 275, April 9, 1881
Various
504 Gutenberg downloadsen2005Difficulty 57 (Graduate)The Chautauquan, Vol. 05, June 1885, No. 9
Chautauqua Literary and Scientific Circle & Chautauqua Institution
504 Gutenberg downloadsen2017Difficulty 53 (Graduate)History of Chemistry, Volume 2 (of 2) From 1850 to 1910
Thorpe, T. E. (Thomas Edward)
503 Gutenberg downloadsen2017Difficulty 66 (Academic)Experimental Investigation of the Spirit Manifestations Demonstrating the existence of spirits and their communion with mortals. Doctrine of the spirit world respecting heaven, hell, morality, and God. Also, the influence of Scripture on the morals of Christians.
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502 Gutenberg downloadsen2020Difficulty 61 (Academic)Scientific American Supplement, No. 286, June 25, 1881
Various
502 Gutenberg downloadsen2005Difficulty 53 (Graduate)Something about sugar : $b Its history, growth, manufacture and distribution
Rolph, George M. (George Morrison)
502 Gutenberg downloadsen2024Difficulty 75 (Expert)Lead poisoning and lead absorption : $b The symptoms, pathology and prevention, with special reference to their industrial origin, and an account of the principal processes involving risk
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500 Gutenberg downloadsen2023Difficulty 63 (Academic)Scientific American Supplement, No. 324, March 18, 1882
Various
499 Gutenberg downloadsen2005Difficulty 53 (Graduate)Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, IV. Band Das Emporblühen der modernen Naturwissenschaften seit der Entdeckung des Energieprinzips
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498 Gutenberg downloadsde2019Scientific American Supplement, No. 303, October 22, 1881
Various
498 Gutenberg downloadsen2005Difficulty 52 (Graduate)Scientific American Supplement, No. 455, September 20, 1884
Various
498 Gutenberg downloadsen2004Difficulty 57 (Graduate)Scientific American Supplement, No. 388, June 9, 1883
Various
496 Gutenberg downloadsen2005Difficulty 56 (Graduate)Scientific American Supplement, No. 611, September 17, 1887
Various
496 Gutenberg downloadsen2005Difficulty 50 (College)Joseph Priestley
Thorpe, T. E. (Thomas Edward)
495 Gutenberg downloadsen2018Difficulty 64 (Academic)Scientific American Supplement No. 822, October 3, 1891
Various
495 Gutenberg downloadsen2005Difficulty 55 (Graduate)Priestley in America, 1794-1804
Smith, Edgar Fahs
492 Gutenberg downloadsen2007Difficulty 57 (Graduate)Scientific American, Volume 56, No. 9, February 26, 1887
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491 Gutenberg downloadsen2015Difficulty 54 (Graduate)The Toxins and Venoms and Their Antibodies
Pozzi-Escot, M. Emm. (Marius Emmanuel)
491 Gutenberg downloadsen2015Difficulty 63 (Academic)A Century of Science, and Other Essays
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488 Gutenberg downloadsen2012Difficulty 67 (Academic)Cours de philosophie positive. (3/6)
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487 Gutenberg downloadsfr2010Handbuch der Pharmakognosie : $b Zweiter Band. Spezielle Pharmakognosie
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487 Gutenberg downloadsde2023Scientific American Supplement, No. 315, January 14, 1882
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487 Gutenberg downloadsen2006Difficulty 63 (Academic)Scientific American Supplement, No. 530, February 27, 1886
Various
487 Gutenberg downloadsen2004Difficulty 58 (Graduate)Alcoholic Fermentation Second Edition, 1914
Harden, Arthur
486 Gutenberg downloadsen2014Difficulty 68 (Academic)Scientific American Supplement, No. 613, October 1, 1887
Various
486 Gutenberg downloadsen2005Difficulty 63 (Academic)The Art of Preserving All Kinds of Animal and Vegetable Substances for Several Years, 2nd ed. A work published by the order of the French minister of the interior, on the report of the Board of arts and manufactures
Appert, Nicolas
486 Gutenberg downloadsen2016Difficulty 53 (Graduate)The Life of Sir Humphry Davy, Bart. LL.D., Volume 1 (of 2)
Paris, John Ayrton
486 Gutenberg downloadsen2014Difficulty 57 (Graduate)Principles and practice of agricultural analysis. Volume 2 (of 3), Fertilizers
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485 Gutenberg downloadsen2023Difficulty 69 (Academic)Il Vino: Undici conferenze fatte nell'inverno dell'anno 1880
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484 Gutenberg downloadsit2015International Weekly Miscellany of Literature, Art and Science — Volume 1, No. 2, July 8, 1850
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483 Gutenberg downloadsen2004Difficulty 59 (Graduate)Scientific American Supplement, No. 531, March 6, 1886
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483 Gutenberg downloadsen2004Difficulty 51 (Graduate)The Dyer's Guide Being a compendium of the art of dyeing linen, cotton, silk, wool, muslin, dresses, furniture, &c. &c.; with the method of scouring wool, bleaching cotton, &c., and directions for ungumming silk, and for whitening and sulphuring silk and wool; and also an introductory epitome of the leading facts in chemistry, as connected with the art of dyeing
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483 Gutenberg downloadsen2016Difficulty 58 (Graduate)Scientific American Supplement, No. 803, May 23, 1891
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482 Gutenberg downloadsen2004Difficulty 52 (Graduate)Scientific American Supplement, No. 810, July 11, 1891
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482 Gutenberg downloadsen2005Difficulty 51 (Graduate)The Gases of the Atmosphere: The History of Their Discovery
Ramsay, William
482 Gutenberg downloadsen2016Difficulty 64 (Academic)A Practical Treatise on Gas-light Exhibiting a Summary Description of the Apparatus and Machinery Best Calculated for Illuminating Streets, Houses, and Manufactories, with Carburetted Hydrogen, or Coal-Gas, with Remarks on the Utility, Safety, and General Nature of this new Branch of Civil Economy.
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481 Gutenberg downloadsen2014Difficulty 60 (Graduate)Scientific American Supplement, No. 392, July 7, 1883
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481 Gutenberg downloadsen2005Difficulty 63 (Academic)Some Constituents of the Poison Ivy Plant (Rhus Toxicodendron)
Syme, William Anderson
480 Gutenberg downloadsen2010Difficulty 58 (Graduate)Modern Copper Smelting being lectures delivered at Birmingham University, greatly extended and adapted and with and introduction on the history, uses and properties of copper.
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479 Gutenberg downloadsen2019Difficulty 61 (Academic)Scientific American, Vol. XXXIX.No. 6. [New Series.], August 10, 1878
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478 Gutenberg downloadsen2013Difficulty 54 (Graduate)Studies on Fermentation The diseases of beer, their causes, and the means of preventing them
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477 Gutenberg downloadsen2020Difficulty 55 (Graduate)Salt and the salt industry
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476 Gutenberg downloadsen2022Difficulty 60 (Graduate)The Chautauquan, Vol. 05, April 1885
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476 Gutenberg downloadsen2017Difficulty 54 (Graduate)Scientific American Supplement, No. 358, November 11, 1882
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475 Gutenberg downloadsen2005Difficulty 61 (Academic)Scientific American Supplement, No. 433, April 19, 1884
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475 Gutenberg downloadsen2005Difficulty 66 (Academic)Researches Chemical and Philosophical; Chiefly concerning nitrous oxide or dephlogisticated nitrous air and its respiration
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474 Gutenberg downloadsen2021Difficulty 59 (Graduate)Appletons' Popular Science Monthly, July 1899 Volume LV, No. 3, July 1899
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473 Gutenberg downloadsen2014Difficulty 58 (Graduate)Acids, Alkalis and Salts
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472 Gutenberg downloadsen2015Difficulty 53 (Graduate)Industrial Poisoning from Fumes, Gases and Poisons of Manufacturing Processes
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472 Gutenberg downloadsen2019Difficulty 78 (Expert)On the Antiquity of the Chemical Art
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472 Gutenberg downloadsen2006Difficulty 58 (Graduate)Discovery of Oxygen, Part 2
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471 Gutenberg downloadsen2008Difficulty 58 (Graduate)A Study of American Beers and Ales
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469 Gutenberg downloadsen2008Difficulty 50 (College)Scientific American Supplement, No. 832, December 12, 1891
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468 Gutenberg downloadsen2005Difficulty 53 (Graduate)On the Preparations of the Indian Hemp, or Gunjah (Cannabis Indica) Their Effects on the Animal System in Health, and Their Utility in the Treatment of Tetanus and Other Convulsive Diseases
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467 Gutenberg downloadsen2022Difficulty 63 (Academic)Scientific American Supplement, No. 385, May 19, 1883
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467 Gutenberg downloadsen2005Difficulty 58 (Graduate)Scientific American Supplement, No. 441, June 14, 1884.
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467 Gutenberg downloadsen2005Difficulty 56 (Graduate)Gas and Petroleum Engines
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466 Gutenberg downloadsen2019Difficulty 57 (Graduate)The History of Ink, Including Its Etymology, Chemistry, and Bibliography
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464 Gutenberg downloadsen2015Difficulty 61 (Academic)Elements of agricultural chemistry and geology
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463 Gutenberg downloadsen2024Difficulty 57 (Graduate)Scientific American Supplement, No. 401, September 8, 1883
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463 Gutenberg downloadsen2005Difficulty 55 (Graduate)Scientific American Supplement, No. 443, June 28, 1884
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463 Gutenberg downloadsen2005Difficulty 53 (Graduate)Memoirs of Dr. Joseph Priestley : $b To the year 1795, written by himself: with a continuation, to the time of his decease, by his son, Joseph Priestley: and observations on his writings, by Thomas Cooper, President Judge of the 4th. district of Pennsylvania: and the Rev. William Christie.
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461 Gutenberg downloadsen2025Difficulty 59 (Graduate)The reaction between manganese dioxide and potassium permanganate
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460 Gutenberg downloadsen2001Difficulty 66 (Academic)Boys' second book of inventions
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459 Gutenberg downloadsen2013Difficulty 57 (Graduate)Scientific American Supplement, No. 623, December 10, 1887
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457 Gutenberg downloadsen2005Difficulty 60 (Graduate)The progress of the marbling art, from technical scientific principles : $b with a supplement on the decoration of book edges
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453 Gutenberg downloadsen2012Difficulty 61 (Academic)A treatise on the art of making good wholesome bread of wheat, oats, rye, barley and other farinaceous grains Exhibiting the alimentary properties and chemical constitution of different kinds of bread corn, and of the various substitutes used for bread, in different parts of the world
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451 Gutenberg downloadsen2019Difficulty 65 (Academic)Appletons' Popular Science Monthly, February 1900 Vol. 56, November, 1899 to April, 1900
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451 Gutenberg downloadsen2014Difficulty 62 (Academic)Scientific American Supplement, No. 421, January 26, 1884
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451 Gutenberg downloadsen2005Difficulty 56 (Graduate)Experiments upon magnesia alba, Quicklime, and some other Alcaline Substances
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450 Gutenberg downloadsen2008Difficulty 64 (Academic)The Organism as a Whole, from a Physicochemical Viewpoint
Loeb, Jacques
450 Gutenberg downloadsen2014Difficulty 68 (Academic)Traité élémentaire de chimie, tome 2 Présenté dans un ordre nouveau et d'après les découvertes modernes; avec Figures
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449 Gutenberg downloadsfr2016The chocolate-plant (Theobroma cacao) and its products
Anonymous
448 Gutenberg downloadsen2025Difficulty 55 (Graduate)The Chautauquan, Vol. 05, February 1885
Chautauqua Literary and Scientific Circle & Chautauqua Institution
447 Gutenberg downloadsen2017Difficulty 53 (Graduate)The Theory and Practice of Brewing
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446 Gutenberg downloadsen2018Difficulty 59 (Graduate)Experiments and Observations on the Following Subjects 1. On the preparation, calcination, and medicinal uses of Magnesia Alba. 2. On the solvent qualities of calcined Magnesia. 3. On the variety in the solvent powers of quick-lime, when used in different quantities. 4. On various absorbents, as promoting or retarding putrefaction. 5. On the comparative antiseptic powers of vegetable infusions prepared with lime, &c. 6. On the sweetening properties of fixed air.
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444 Gutenberg downloadsen2014Difficulty 65 (Academic)An Account of the Extraordinary Medicinal Fluid, called Aether.
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443 Gutenberg downloadsen2004Difficulty 64 (Academic)Scientific American Supplement, No. 488, May 9, 1885
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443 Gutenberg downloadsen2008Difficulty 50 (College)Scientific American Supplement, No. 794, March 21, 1891
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442 Gutenberg downloadsen2005Difficulty 52 (Graduate)A Brief History of Element Discovery, Synthesis, and Analysis
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441 Gutenberg downloadsen2010Difficulty 65 (Academic)Careers in Atomic Energy
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441 Gutenberg downloadsen2013Difficulty 68 (Academic)Collotype and Photo-lithography
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441 Gutenberg downloadsen2015Difficulty 63 (Academic)Scientific American Supplement, No. 829, November 21, 1891
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440 Gutenberg downloadsen2005Difficulty 63 (Academic)The Popular Science Monthly, September, 1900 Vol. 57, May, 1900 to October, 1900
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440 Gutenberg downloadsen2014Difficulty 77 (Expert)Scientific American Supplement, No. 633, February 18, 1888
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439 Gutenberg downloadsen2005Difficulty 54 (Graduate)A new system of chemical philosophy, Volume 2, Part 1
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438 Gutenberg downloadsen2024Difficulty 60 (Graduate)Synthetic Tannins, Their Synthesis, Industrial Production and Application
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438 Gutenberg downloadsen2005Difficulty 63 (Academic)Dynamite Stories, and Some Interesting Facts About Explosives
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437 Gutenberg downloadsen2014Difficulty 63 (Academic)Chemistry for beginners
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436 Gutenberg downloadsen2025Difficulty 62 (Academic)Experiments on the Spoilage of Tomato Ketchup
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436 Gutenberg downloadsen2016Difficulty 55 (Graduate)The Elements of Agriculture A Book for Young Farmers, with Questions Prepared for the Use of Schools
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436 Gutenberg downloadsen2010Difficulty 53 (Graduate)A Treatise on Hat-Making and Felting Including a Full Exposition of the Singular Properties of Fur, Wool, and Hair
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434 Gutenberg downloadsen2014Difficulty 66 (Academic)The Puering, Bating & Drenching of Skins
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434 Gutenberg downloadsen2018Difficulty 53 (Graduate)Traité élémentaire de chimie, tome 1 Présenté dans un ordre nouveau et d'après les découvertes modernes; avec Figures
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434 Gutenberg downloadsfr2016L'Académie des sciences et les académiciens de 1666 à 1793
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433 Gutenberg downloadsfr2016Leather: From the Raw Material to the Finished Product
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430 Gutenberg downloadsen2013Difficulty 59 (Graduate)Scientific American Supplement, No. 1082, September 26, 1896
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430 Gutenberg downloadsen2008Difficulty 55 (Graduate)Coal, and What We Get from It
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428 Gutenberg downloadsen2010Difficulty 57 (Graduate)Legal Chemistry A Guide to the Detection of Poisons, Examination of Tea, Stains, Etc., as Applied to Chemical Jurisprudence
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428 Gutenberg downloadsen2013Difficulty 68 (Academic)The Atom and the Ocean
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428 Gutenberg downloadsen2021Difficulty 61 (Academic)Appletons' Popular Science Monthly, January 1900 Vol. 56, November, 1899 to April, 1900
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427 Gutenberg downloadsen2014Difficulty 58 (Graduate)The Alumni Journal of the College of Pharmacy of the City of New York, Vol. II, No. 2, February, 1895
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427 Gutenberg downloadsen2016Difficulty 48 (College)Radioisotopes and Life Processes (Revised)
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426 Gutenberg downloadsen2015Difficulty 66 (Academic)Scientific American, Vol. XXXIX.—No. 24. [New Series.], December 14, 1878 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
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425 Gutenberg downloadsen2012Difficulty 57 (Graduate)Scientific Culture, and Other Essays Second Edition; with Additions
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425 Gutenberg downloadsen2011Difficulty 63 (Academic)The Popular Science Monthly, October, 1900 Vol. 57, May, 1900 to October, 1900
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425 Gutenberg downloadsen2014Difficulty 75 (Expert)Tomato products: pulp, ketchup, and chili sauce.
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423 Gutenberg downloadsen2018Difficulty 56 (Graduate)Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
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421 Gutenberg downloadsen2012Difficulty 53 (Graduate)Chambers's Edinburgh Journal, No. 460 Volume 18, New Series, October 23, 1852
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420 Gutenberg downloadsen2008Difficulty 65 (Academic)How to Do Chemical Tricks Containing Over One Hundred Highly Amusing and Instructive Tricks With Chemicals
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417 Gutenberg downloadsen2015Difficulty 50 (College)The Right Honourable Sir Henry Enfield Roscoe P.C., D.C.L., F.R.S. A Biographical Sketch
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416 Gutenberg downloadsen2018Difficulty 62 (Academic)Chlorination of Water
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412 Gutenberg downloadsen2011Difficulty 62 (Academic)Recherches sur les substances radioactives
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409 Gutenberg downloadsfr2013History of Phosphorus
Farber, Eduard
405 Gutenberg downloadsen2010Difficulty 64 (Academic)Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
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404 Gutenberg downloadsen2012Difficulty 60 (Graduate)Carl Wilhelm Scheele ett minnesblad på hundrade årsdagen af hans död
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403 Gutenberg downloadssv2004Bamboo, Considered as a Paper-making Material With remarks upon its cultivation and treatment. Supplemented by a consideration of the present position of the paper trade in relation to the supply of raw material.
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401 Gutenberg downloadsen2017Difficulty 77 (Expert)Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry
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400 Gutenberg downloadsen2011Difficulty 60 (Graduate)Scott Greenwood and Co. Catalogue of Special Technical Works, 1903 For Manufacturers, Students, and Technical Schools, by Expert Writers
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399 Gutenberg downloadsen2013Difficulty 86 (Specialist)The Elements of Blowpipe Analysis
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398 Gutenberg downloadsen2010Difficulty 50 (College)A Brief Account of Radio-activity
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397 Gutenberg downloadsen2010Difficulty 63 (Academic)Untersuchungen über die radioaktiven Substanzen von Marie Curie, übersetzt und mit Litteratur-Ergänzungen versehen von W. Kaufmann
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395 Gutenberg downloadsde2011A Text-book of Paper-making
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394 Gutenberg downloadsen2018Difficulty 64 (Academic)Detection of the Common Food Adulterants
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394 Gutenberg downloadsen2013Difficulty 51 (Graduate)Lead Smelting and Refining, With Some Notes on Lead Mining
Unknown
393 Gutenberg downloadsen2020Difficulty 54 (Graduate)Secrets of Wise Men, Chemists and Great Physicians
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393 Gutenberg downloadsen2014Difficulty 58 (Graduate)Principles and practice of agricultural analysis. Volume 3 (of 3), Agricultural products
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391 Gutenberg downloadsen2025Difficulty 78 (Expert)The wonders of radium
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390 Gutenberg downloadsen2025Difficulty 60 (Graduate)The Molecular Tactics of a Crystal
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386 Gutenberg downloadsen2017Difficulty 68 (Academic)The platinum metals
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384 Gutenberg downloadsen2020Difficulty 59 (Graduate)An account of a useful discovery to distill double the usual quantity of sea-water, by blowing showers of air up through the distilling liquor : $b and an account of the great benefit of ventilators in many instances, in preserving the health and lives of people, in slave and other transport ships ... also an account of the good effect of blowing showers of air up through milk, thereby to cure the ill taste which is occasioned by some kinds of food of cows.
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381 Gutenberg downloadsen2023Difficulty 58 (Graduate)The Atomic Fingerprint: Neutron Activation Analysis
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378 Gutenberg downloadsen2015Difficulty 59 (Graduate)Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, I. Band Von den Anfängen bis zum Wiederaufleben der Wissenschaften
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377 Gutenberg downloadsde2016On Sulphonfluoresceïn and Some of Its Derivatives
Hayes, C. W. (Charles Willard)
377 Gutenberg downloadsen2015Difficulty 56 (Graduate)Synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives Dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Faculty of Pure Science of Columbia University
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377 Gutenberg downloadsen2014Difficulty 67 (Academic)Acid Rain and Our Nation's Capital: A Guide to Effects on Buildings and Monuments
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376 Gutenberg downloadsen2018Difficulty 59 (Graduate)The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2. With Special Consideration of the Application of the Laws of Equilibrium and of the Modern Theories of Solution.
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375 Gutenberg downloadsen2014Difficulty 69 (Academic)Roentgen Rays and Phenomena of the Anode and Cathode.
Thompson, Edward P. (Edward Pruden)
374 Gutenberg downloadsen2020Difficulty 59 (Graduate)Scientific American Supplement, No. 664, September 22,1888
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373 Gutenberg downloadsen2008Difficulty 58 (Graduate)Short-Title Catalog of Publications and Importations of Scientific and Engineering Books (August 1910)
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371 Gutenberg downloadsen2017Difficulty 43 (College)The Chemical Constituents of Piper Methysticum Or, The Chemical Constituents of the Active Principle of the Ava Root
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370 Gutenberg downloadsen2022Difficulty 55 (Graduate)Standard methods for the examination of water and sewage
American Public Health Association. Laboratory Section & American Chemical Society & Association of Official Agricultural Chemists (U.S.)
368 Gutenberg downloadsen2020Difficulty 71 (Expert)A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper.
Humphrey, S. D. (Samuel Dwight)
367 Gutenberg downloadsen2020Difficulty 59 (Graduate)Die Akkumulatoren: ihre Theorie, Herstellung, Behandlung und Verwendung.
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367 Gutenberg downloadsde2016Inaugureele Rede Waarin wordt Aangetoond dat de Scheikunde met recht een plaats verdient onder de Akademische Wetenschappen
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367 Gutenberg downloadsnl2006How to become a scientist : $b Giving interesting and instructive experiments in chemistry, mechanics, acoustics and pyrotechnics
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366 Gutenberg downloadsen2023Difficulty 54 (Graduate)Rollo's Philosophy [Fire]
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365 Gutenberg downloadsen2020Difficulty 37 (High School)Barium: A Cause of the Loco-Weed Disease
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364 Gutenberg downloadsen2012Difficulty 57 (Graduate)The manufacture of earth colours : $b With thirty-one illustrations
Bersch, Josef
363 Gutenberg downloadsen2023Difficulty 71 (Expert)Cork: Its Origin and Industrial Uses
Stecher, Gilbert Erwin
360 Gutenberg downloadsen2012Difficulty 60 (Graduate)Nouveau moyen de préparer la couche sensible des plaques destinées à recevoir les images photographiques Lettre à M. Arago
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360 Gutenberg downloadsfr2005Villkor och möjligheter för kemisk storindustri i Sverige
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359 Gutenberg downloadssv2007Sciências Naturaes Pela Redacção da «Educação Nacional»
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357 Gutenberg downloadsen2024Difficulty 57 (Graduate)A Further Investigation of the Symmetrical Chloride of Paranitroorthosulphobenzoic Acid
Henderson, William Edwards
356 Gutenberg downloadsen2022Difficulty 61 (Academic)On adipocire, and its formation
Wetherill, Charles Mayer
356 Gutenberg downloadsen2022Difficulty 60 (Graduate)Pottery decoration under the glaze
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356 Gutenberg downloadsen2023Difficulty 56 (Graduate)The origin and development of the atomic theory
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356 Gutenberg downloadsen2025Difficulty 65 (Academic)Nova analysis aquarum Medeviensium
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355 Gutenberg downloadsla2003Naturgeschichte einer Kerze : $b Sechs Vorlesungen für die Jugend; Mit einem Lebensabriß Faraday's
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354 Gutenberg downloadsde2023Ketchup: Methods of Manufacture; Microscopic Examination
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352 Gutenberg downloadsen2018Difficulty 53 (Graduate)Tri-nitro-glycerine, as Applied in the Hoosac Tunnel, Submarine Blasting, etc., etc., etc.
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349 Gutenberg downloadsen2021Difficulty 65 (Academic)U.S. Patent 4,293,314: Gelled Fuel-Air Explosive October 6, 1981.
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349 Gutenberg downloadsen2008Difficulty 53 (Graduate)The modes of origin of lowest organisms including a discussion of the experiments of M. Pasteur
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345 Gutenberg downloadsen2015Difficulty 71 (Expert)A brief guide to the Food Collection
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344 Gutenberg downloadsen2021Difficulty 57 (Graduate)The Story of a Tinder-box
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342 Gutenberg downloadsen2009Difficulty 48 (College)Anleitung zur quantitativen chemischen Analyse
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340 Gutenberg downloadsde2015Meta toluene sulphonic acid and related compounds
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340 Gutenberg downloadsen2018Difficulty 59 (Graduate)On Digestive Proteolysis Being the Cartwright Lectures for 1894
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340 Gutenberg downloadsen2015Difficulty 77 (Expert)Compendio di Chimica Fisiologica
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339 Gutenberg downloadsit2004The Production of Vinegar from Honey
Bancks, Gerard W.
339 Gutenberg downloadsen2008Difficulty 58 (Graduate)Ueber die Arsenikvergiftung ihre Hülfe und gerichtliche Ausmittelung
Hahnemann, Samuel
335 Gutenberg downloadsde2014Chemiam artibus academicis jure esse inserendam
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334 Gutenberg downloadsla2005Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, III. Band Das Emporblühen der modernen Naturwissenschaften bis zur Entdeckung des Energieprinzipes
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332 Gutenberg downloadsde2018Gas Burners Old and New A historical and descriptive treatise on the progress of invention in gas lighting, embracing an account of the theory of luminous combustion
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324 Gutenberg downloadsen2011Difficulty 65 (Academic)Aus Natur und Geisteswelt Sammlung wissenschaftlich-gemeinverständlicher Darstellungen aus allen Gebieten des Wissens
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320 Gutenberg downloadsde2016The Daguerreian Journal, Vol. I, No. 8, March 1, 1851
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320 Gutenberg downloadsen2020Difficulty 65 (Academic)Glass and Glass Manufacture
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319 Gutenberg downloadsen2020Difficulty 59 (Graduate)Observations on antimony Read before the Medical Society of London, and published at their request
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