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The Germans opened the war using projectiles seventeen inches in diameter. They closed it using projectiles one one-hundred millionth of an inch in diameter. And the latter were more effective than the former. As the dimensions were reduced from molar to molecular the battle b...
The primitive metallurgist could only make use of such metals as he found free in nature, that is, such as had not been attacked and corroded by the ubiquitous oxygen. These wer...
2. Chapter 2The control of man over the materials of nature has been vastly enhanced by the recent extension of the range of temperature at his command. When Fahrenheit stuck the bulb of hi...
1. Chapter 1The Germans opened the war using projectiles seventeen inches in diameter. They closed it using projectiles one one-hundred millionth of an inch in diameter. And the latter were...
17. Chapter 17Spring's "Non-Technical Talks on Iron and Steel" (Stokes) is a model of popular science writing, clear, comprehensive and abundantly illustrated. Tilden's "Chemical Discovery in...
7. Chapter 7Send ten cents to the Department of Commerce, Washington, for "Dyestuffs for American Textile and Other Industries," by Thomas H. Norton, Special Agents' Series, No. 96. A more...
14. Chapter 14President Scherer's "Cotton as a World Power" (Stokes, 1916) is a fascinating volume that combines the history, science and politics of the plant and does not ignore the poetry...
4. Chapter 4The reader who may be interested in following up this subject will find references to all the literature in the summary by Helen R. Hosmer, of the Research Laboratory of the Gen...
10. Chapter 10The speeches made when Hyatt was awarded the Perkin medal by the American Chemical Society for the discovery of celluloid may be found in the _Journal of the Society of Chemical...
12. Chapter 12"Conditions in the Sugar Market January to October, 1917," a pamphlet published by the American Sugar Refining Company, 117 Wall Street, New York, gives an admirable survey of t...
11. Chapter 11Sir William Tilden's "Chemical Discovery and Invention in the Twentieth Century" (E.P. Dutton & Co.) contains a readable chapter on rubber with references to his own discovery....
8. Chapter 8Read up on the methods of extracting perfumes from flowers in any encyclopedia or in Duncan's "Chemistry of Commerce" or Tilden's "Chemical Discovery in the Twentieth Century" o...
6. Chapter 6consult the latest Yearbook of the Department of Agriculture. For self-instruction, problems and experiments get "Extension Course in Soils," Bulletin No. 355, U.S. Dept. of Agr...
15. Chapter 15A full account of the development of the American Warfare Service has been published in the _Journal of Industrial and Engineering Chemistry_ in the monthly issues from January...
13. Chapter 13On making ethyl alcohol from wood, see Bulletin No. 110, Special Agents' Series, Department of Commerce (10 cents), and an article by F.W. Kressmann in _Metallurgical and Chemic...
9. Chapter 9The bulletin on "By-Products of the Lumber Industry" by H.K. Benson (published by Department of Commerce, Washington, 10 cents) contains a description of paper-making and wood d...
16. Chapter 16See chapter in Cressy's "Discoveries and Inventions of Twentieth Century." "Oxy-Acetylene Welders," Bulletin No. 11, Federal Board of Vocational Education, Washington, June, 191...
5. Chapter 5The Department of Agriculture or your congressman will send you literature on the production and use of fertilizers. From your state agricultural experiment station you can proc...