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 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 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 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…

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…

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…

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 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…

Informational pamphlet on honey includes a description of how honey is produced, its value as a food, the flavor of honey, its health benefits, its economy, household uses, and how it can be used in cooking. Contains…

Volume containing "recipes to improve the taste and sanitary effects of drinks." This concise manual for vendors of soda water presents various methods of preparation for soda fountain beverages, syrups, fruit essences,…

Produced by Rumford Chemical Works, manufacturers of baking powder, this cookbook features an illustration of the Rumford Chemical Works manufactory along with an illustration of the baking powder they produce on the…

Photographic reproduction depicts bundles of wheat grown on an experimental farm at Rothamsted, England with varying amounts of manure and chemical fertilizers. The first column shows the year 1878 with the second…

Entitled "How the Microscope Reveals Adulteration," photographic reproduction depicts arrowroot adulterated with rice starch. Both under magnification, the left image illustrates rice starch with the right side showing…

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…

The illustrated second volume of The Baker's Book, providing a comprehensive discussion of baking. Intended to be "every baker's hand book," the series describes the global history and significance of baked goods,…

Illustrated trade card depicts chemist Claude Louis Berthollet (1748-1822) visiting Antoine Laurent Lavoisier (1743-1794) while Lavoisier was working in a lab at the Université de Paris or Sorbonne University. They…

Entitled "Afrique. Chasse au Lion," illustrated trade card depicts hunters chasing a lion in the African wilderness. A hunter on horseback wears a turban and aims a gun at a lion that is standing upon another hunter.…

Illustrated trade card depicts alchemist Albertus Magnus (1193?-1280) working in a lab with a vessel releasing steam. Also includes an inset bust of Magnus. Verso is an advertisement for Liebig's Extract of Meat along…

A textbook specifically devoted to the "practical instruction in the methods of examining vegetable foods, drugs, and their powders" written by Henry George Greenish, Professor of Pharmaceutics to the Pharmaceutical…

Illustrated trade card depicts the monument of Justus von Liebig (1803-1873) in Munich, Germany with an inset of Liebig working in the laboratory as well as a closeup of the statue's bust surrounded by a laurel wreath.…

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 German (Prussian) chemist, physicist, and biologist Franz Karl Achard (1753-1821) walking through a sugar beet refinery, with view of workers illustrating various stages of the production…