Search Results
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Letter from Georg Bredig to Max Bredig, June 22, 1936
- 1936-Jun-22
Georg Bredig (1868-1944) inquires about the well-being of his son, Max Bredig (1902-1977), who is visiting the Netherlands in the summer of 1936 on a business trip.
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3 items
Letter from Georg Bredig and Marianne Homburger to Max Bredig, September 27, 1936
- 1936-Sep-27
Georg Bredig (1868-1944) thanks his son, Max Bredig (1902-1977), for his recent telephone call, provides him with professional advice, and shares that he recently reviewed a dissertation from an Indian university. …
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Sir Robert Robinson and Robert Burns Woodward at Massachusetts Institute of Technology
- 1951
Color photograph of British organic chemist and Nobel laureate Sir Robert Robinson (1886-1975) and American organic chemist and Nobel laureate Robert Burns Woodward (1917-1979) posed in front of a chalkboard at the…
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Perkin-Elmer atomic absorption spectrophotometer in use at Environmental Protection Agency
- 1970s
General view of an unidentified laboratory technician operating a Perkin-Elmer Model 303 Atomic Absorption Spectrophotometer at an Environmental Protection Agency facility. Per notations accompanying the photograph, the…
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Plate 2: The expansion of air by heat
- 1808
Fig. 1 represents an air thermometer, or the expansion of air by heat.
Fig. 2 is the logarithmic curve.
Fig. 3 is a device suggested by "Mr. Ewart," to illustrate Dalton's idea on the temperature of the atmosphere.
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4 items
Beckman Infrared Notes: IR4: New Infrared Instrument
- Vol. 2, No. 1
- 1956
The brochure discusses the IR-4 spectrophotometer, scheduled for introduction at the Pittsburgh Conference. It also includes brief profiles of the "New Infrared Team": Lee Cahn, William Ward, Norbert Kabuss, and Joseph…
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Experimental blast furnace at Fixed Nitrogen Research Laboratory plant
- 1930s
General view of an experimental blast furnace at a U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant. The Fixed Nitrogen Research Laboratory (F.N.R.L.) was established at American University in…
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Blowing out experimental blast furnace
- 1934-Jan
General view of the blowing out process for the experimental blast furnace at a Fixed Nitrogen Research Laboratory facility. The process of blowing out, also known as "raking out," is undertaken when production from a…
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4 items
Hearth and crucible of No. 2 experimental blast furnace
- 1933-Jun-23
Four views of the hearth and crucible of the No. 2 experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. The photographs show the hearth and…
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Carbon tube precipitator and spray tower
- 1932-Jan-19
General view of the carbon tube precipitator and spray tower for the experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed Nitrogen…
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2 items
Royster stoves at the No. 2 experimental blast furnace
- 1932
Two views of the Royster stoves used for the No. 2 experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. According to notations accompanying…
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Superstructure of No. 2 experimental blast furnace
- 1932-Jan-19
General view of the superstructure of the No. 2 experimental blast furnace, as seen from the platform of the No. 1 precipitator at a U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant.
The Fixed…
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2 items
J.E. Reuter at work in instrument shop at Fixed Nitrogen Research Laboratory
- 1926-Apr
Two views of J.E. Reuter at work in the instrument shop at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory showing assorted machinery and tools.
The Fixed Nitrogen Research Laboratory…
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2 items
J.E. Reuter at work in instrument shop at Fixed Nitrogen Research Laboratory
- 1926-Apr
Two views of J.E. Reuter at work in the instrument shop at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory showing assorted machinery and tools.
The Fixed Nitrogen Research Laboratory…
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2 items
Apparatus for determining the hygroscopicity of fertilizer materials
- Circa 1928
Two views of an apparatus used to determine the hygroscopicity of fertilizer materials and mixtures at the the Arlington Experimental Farm in Arlington, Virginia. The individual visible in the first photograph is…
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Apparatus at U.S. Department of Agriculture facility
- 1950s
General view of an unidentified apparatus, possibly a hopper or type of granulation equipment, at an unidentified U.S. Department of Agriculture facility, likely the U.S.D.A.'s Agricultural Engineering Laboratory. Three…
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Interior view of fertilizer apparatus
- 1950s
Close-up view of the interior of an apparatus likely used for the manufacture and/or testing of fertilizer at an unidentified U.S. Department of Agriculture facility.
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Fertilizer storage piles at the Agricultural Engineering Laboratory
- Circa 1953
General view of fertilizer storage piles supported between uprights at the U.S. Department of Agriculture's Agricultural Engineering Laboratory. Text accompanying the photograph notes that each row contained a full set…
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Fertilizer bags at Agricultural Engineering Laboratory
- 1953-Jul-15
General view of the Air Control Room at the U.S. Department of Agriculture's Agricultural Engineering Laboratory showing three bags of fertilizer in storage under three bags of sand.
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Exhibit concerning the fixation of atmospheric nitrogen
- Circa 1926
Exhibition display concerning the fixation of atmospheric nitrogen at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. The display includes several diagrams depicting…
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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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Letter from Robert S. Mulliken to Harrison Shull, 1960
- 1960-Mar-23
Letter between Robert S. Mulliken and Harrison Shull, American quantum chemists, concerning upcoming speaking engagements by Mulliken.
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11 items
Oral history interview with Claire K. Schultz
- 1997-Jul-09
… I was convinced that I was meant to be a doctor. I signed up for chemistry, one of only two girls to do that, and for introductory anatomy. …kept the house tidy and helped with dinner when I was not busy in the chemistry or biology labs during the late afternoons. I loved the kids and …able to complete more than the necessary number of courses for both a chemistry and biology major, in three years. I graduated as a pre-med major…
- Interviewee Schultz, Claire K.
- Interviewer Williams, Robert V.
- Subject Women in science, Information storage and retrieval systems--Chemistry, Librarians--Biography, Librarians, Drexel University, Merck Sharp & Dohme, Chemistry--Abstracting and indexing, Women in library science, Chemistry--Nomenclature, Sperry Rand (Corporation). Univac Division, Schultz, Claire K., Information science, Women in information science
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Workers cap a burning oil well
- Part of The Romance of Modern Chemistry
- 1909
…extinguish the fire. This plate is found within The Romance of Modern Chemistry, which is a layman's introduction to topics in chemistry. Includes a history of chemistry along with alchemy and the philosopher's stone; elements including …as discoveries in chemistry.…
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4 items
Letter from Arnold Sommerfeld to Georg Bredig. October 1911
- 1911-Oct-09
…significant favor to ask of you, namely, to take over the entry on physical chemistry in Volume 5 of the Encyclopedia of Mathematical Physics, which was …the law of mass action, but rather the connection between physical chemistry and general physical theories, i.e., thermodynamics and molecular ……