A metal, hand-crank centrifuge with a three-pronged metal base. The base is painted a rusty red color and has been attached to a wooden board for stability. A long metal crank on the side of the base bends at a…

Blue and red cardboard box of "Igloo Wrap Brand" cellophane wrap, manufactured by Du Pont.

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…

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…

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…

General view of the Bureau of Chemistry's Nitrogen Laboratory showing assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted investigations into…

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…

General view of two employees working in the Bureau of Chemistry's Oil, Fat, and Wax Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Oil, Fat, and…

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.…

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…

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…

General view of employees at work in the Bureau of Chemistry's Protein Investigation Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Protein…

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…

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,…

A colorful printed booklet containing six recipes using and advertising Rumford Baking Powder. The cover image features a girl and her grandmother baking in the kitchen. Inside, recipes include the Rumford Biscuit, Corn…

Scientific diagram illustrates the percentage composition of foods including a pork chop, cod, egg, cream cheese, bean and bread. Illustrations are after the charts created by Charles Ford Langworthy of the United…

Scientific diagram illustrates the percentage composition of foods including corn, potato, onion, apple, peanut butter and olive oil. Illustrations are after the charts created by Charles Ford Langworthy of the United…

Concerns a patent claim by Mathilda (sic) Groll, for cultivating microorganisms in whey and mixing them with sugar.

A revised and extended version of the work, Chocolate & Confectionery Manufacture (1903) by August Jacoutot. Editor, Rober Whymper (1885-), sought to enhance the content of Jacoutot's original work to contain not only…

A cookbook containing fruit-based recipes for a variety of dishes including desserts, jams, cocktails, and baked goods. The work is published by the Rumford Company, a chemical manufacturer and producer of baking…

The second of five publications from a research study on fats and oils conducted by the Food Research Institute of the University of Stanford. This work focuses on the economics of coconut oil and its rapid growth in…

Number 50 in a series of service monographs analyzing the various functions of the United States Government. The series was published by the Brookings Institute for Government Research, an "association of citizens…

Illustrated trade card depicts German chemist Justus von Liebig's (1803-1873) laboratory in Giessen in 1840. The trade card also features an inset bust of Liebig. Verso includes an advertisement for Oxo Bouillon, as…

Illustrated trade card depicts German chemist August Wilhelm von Hofmann (1818-1892) at the inauguration of the School of Chemistry in London in 1846, of which Hofmann served as the first director. Men stand at a table…

Illustrated trade card depicts 8th-century Arabic polymath Abu Mūsā Jābir ibn Hayyān (c. 721-c. 815), westernized by Europeans as "Geber," speaking with his teacher Giafar el Ssâdik. They stand over a scroll with…