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Subject
- Employees7
- Food industry and trade7
- Laboratories7
- Scientific apparatus and instruments7
- United States. Bureau of Chemistry and Soils7
- Glassware6
- Drugs2
- Oils and fats2
- Babcock, S. M.1
- Beverage industry1
- Centrifuges1
- Dairy products1
- Dairy products industry1
- E.I. du Pont de Nemours & Company1
- Food industry and trade--Safety regulations1
- Food--Preservation1
- Food--Storage1
- Laboratories--Equipment and supplies1
- Lactose1
- Milk1