You Searched For
Start Over You searched for: Date 1900 to 1949 Remove constraint Date: <span class="from" data-blrl-begin="1900">1900</span> to <span class="to" data-blrl-end="1949">1949</span>-
Bureau of Chemistry Nitrogen Laboratory
- 1901 – before 1928
General view of an employee conducting an analysis of an unidentified substance in the Bureau of Chemistry's Nitrogen Laboratory. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted…
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Bureau of Chemistry Drug Laboratory
- 1901 – before 1928
General view of two employees at work in a Bureau of Chemistry Drug Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, such laboratories commonly…
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Agricultural Research Service Drug Laboratory
- 1901 – before 1928
General view of two employees at work in an Agricultural Research Service Drug Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, such laboratories commonly…
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Bureau of Chemistry Carbohydrate Laboratory
- 1913 – before 1928
General view of the Bureau of Chemistry's Carbohydrate Laboratory showing assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Carbohydrate Laboratory analyzed the physical and…
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Bureau of Chemistry Carbohydrate Laboratory
- 1913 – before 1928
General view of the Bureau of Chemistry's Carbohydrate Laboratory showing assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Carbohydrate Laboratory analyzed the physical and…
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Polarimeter in Bureau of Chemistry Carbohydrate Laboratory
- 1913 – before 1928
Close-up view of a polarimeter housed in a constant temperature dark room at the Bureau of Chemistry's Carbohydrate Laboratory. Part of the U.S. Department of Agriculture, the Carbohydrate Laboratory analyzed the…
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Bureau of Chemistry Phytochemical Laboratory
- 1916 – before 1928
General view of an employee in the Bureau of Chemistry's Phytochemical Laboratory using a distillation apparatus to concentrate the odorous constituents of apples and peaches. Part of the U.S. Department of Agriculture,…
- Creator Of Work United States. Food and Drug Administration
- Subject Flavor, Employees, Laboratories, Food industry and trade--Safety regulations, Flavoring essences, Flavoring essences industry, Food industry and trade, United States. Bureau of Chemistry and Soils, Scientific apparatus and instruments
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Bureau of Chemistry Water and Beverage Laboratory
- After 1901 – 1928
General view of an employee in the Bureau of Chemistry's Water and Beverage Laboratory conducting an analysis on an unidentified substance. Assorted sample jars and scientific apparatus are visible in the photograph.…
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11 items
Arnold O. Beckman with employees
- Circa 1940 – circa 1979
Though the photo set is identified as Beckman with "employees," some of the photographs depict ceremonies and visits to non-corporate locations, like CalTech. Some photographs are attributed, dated (1941, 1962, 1967),…
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The Smoothest Spread to Put on Bread
- 1948
Color print advertisement by the National Association of Margarine Manufacturers promoting the nutritive and economic value of margarine. The advertisement features several slices of bread, one spread with margarine,…
- Creator Of Work National Association of Margarine Manufacturers
- Subject Margarine--Marketing, Margarine, Advertising, Food industry and trade
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National Technical Laboratories banquet
- 1946
The head table at a banquet for an unidentified occasion. Mabel and Arnold Beckman are second and third from left, respectively.
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Portrait of Ira Remsen (1846-1927)
- 1904
Portrait of Ira Remsen (1846-1927). Along with Constantin Fahlberg, Remsen discovered the artificial sweetener saccharin in 1879.
A native of New York City, Remsen received his M.D. from the Columbia University…
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Letter from Charles F. Chandler to Dr. Van Doren
- 1922-Jun-27
Concerns a patent claim by Mathilda (sic) Groll, for cultivating microorganisms in whey and mixing them with sugar.
- Addressee Van Doren, Carl, 1885-1950
- Author Chandler, Charles Frederick, 1836-1925
- Subject Sugar, Groll, Mathilde, Chandler, Charles Frederick, 1836-1925, Microorganisms, Whey