Concept
Milk--Testing
Images
Catalogue
- Books
The alcohol test in relation to milk / by S. Henry Ayers, bacteriologist, and William T. Johnson, Jr., Scientific assistant, Dairy Division.
Ayers, S. Henry (Samuel Henry)Date: 1915
- Pictures
- Online
A mobile milk control field laboratory, Pennsylvania: two men wearing white suits stand beside their van. Photograph, 1920/1930?.
Date: [1920/1930?]Reference: 582389i
- Pictures
- Online
A mobile milk control field laboratory, Pennsylvania: two men wearing white suits take a large thermometer from the back of the van. Photograph, 1920/1930?.
Date: [1920/1930?]Reference: 582384i