Search Results
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E.J. Fox operating rotary tunnel for absorption of nitric oxides
- 1928-Aug-21
General view of E.J. Fox demonstrating use of a rotary tunnel to facilitate the absorption of nitric oxides by ground phosphate rock at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in…
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Thermostat and apparatus for measuring vapor pressures
- 1928-Aug-21
General view of the thermostat and apparatusused to measure vapor pressures in the study of Urea synthesis at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. Urea is a…
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Thermostat, apparatus, and analytical train
- 1928-Aug-21
General view of the thermostat, apparatus, and analytical train used to measure vapor pressures in the study of Urea synthesis at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in…
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Apparatus for oxidation of ammonia
- 1927-Jul-26
General view of an apparatus used to oxidize ammonia at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed Nitrogen Research Laboratory (F.N.R.L.) was…
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Experimental apparatus for production of hydrogen
- 1927-Jul-26
General view of an experimental apparatus to test the production of hydrogen from methane and steam at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed…
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Ammonia-carbon dioxide pump and Urea autoclave
- 1927-Jul-26
General view of the ammonia-carbon dioxide pump and Urea autoclave used at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed Nitrogen Research Laboratory…
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W.E. Kuentzel removing carbon monoxide from water gas
- 1926-Apr
General view of W.E. Kuentzel demonstrating use of an apparatus for the removal of carbon monoxide from water gas by means of preferential combustion at the U.S. Department of Agriculture's Fixed Nitrogen Research…
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V.L. Gaddy with constant-temperature bath at Fixed Nitrogen Research Laboratory
- Circa 1927
General view of V.L. Gaddy demonstrating an apparatus used to create a constant-temperature bath to determine the equilibrium of Urea, a water-soluble powder form of carbonic acid frequently used as a fertilizer and…
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Portrait of William McPherson (1864-1951)
- Circa 1928
Portrait of William McPherson (1864-1951). McPherson was a professor of chemistry and dean of the graduate school at Ohio State University. He served as chairman of the American Chemical Society from 1895 to 1928, as…
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Portrait of Herbert Freundlich (1880-1941)
- 1920s – circa
Portrait of Herbert Freundlich (1880-1941). A student of Wilhelm Ostwald, Freundlich received his doctorate from the University of Leipzig in 1903 following his dissertation on the precipitation (coagulation) of colloid…
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Portrait of Marston Taylor Bogert (1868-1954)
- 1920s
Portrait of Marston Taylor Bogert (1868-1954), American Chemical Society President (1907-1908) known for his work on the synthesis of heterocyclic compounds, dyes, pharmaceuticals, and perfumes.
Marston Taylor Bogert…
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Letter from Louis F. Fieser to W. D. Collins
- 1928-Oct-05
Concerns the uniformity of scientific apparatus, specifically that of Pyrex round bottom, short ring neck flasks.
- Addressee Collins, W. D. (William Dennis), 1875-
- Author Fieser, Louis F. (Louis Frederick), 1899-1977
- Subject Scientific apparatus and instruments, Geological Survey (U.S.), Pyrex, Collins, W. D. (William Dennis), 1875-, Corning Glass Works, Fieser, Louis F. (Louis Frederick), 1899-1977, Fisher Scientific Company, American Chemical Society
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Portrait of Lammot du Pont II (1880-1952)
- Circa 1926
Portrait of Lammot du Pont II (1880-1952), former President of the E.I. du Pont de Nemours & Company (1926-1940) and Chairman of the Board of Directors.
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Portrait of Leo Hendrik Baekeland (1863-1944)
- After 1920 – 1944
Portrait of Leo Hendrik Baekeland (1863-1944), inventor of Bakelite, the first fully synthetic plastic.
- Manufacturer Underwood & Underwood
- Subject Portrait photography, Inventors, Bakelite, Baekeland, L. H. (Leo Hendrik), 1863-1944, Plastics
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Professor Wohler
- After 1840 – before 1940
A half-length portrait of Friedrich Wöhler (1800–1882), a German chemist.
- Artist Cook, Conrad
- After L'Allemand, Conrad, 1809-1880
- Subject Wöhler, Friedrich, 1800-1882