This photograph, taken July 16, 1930, shows E.F. Goss, Associate Professor of Dairy Industries at Iowa State College (University) using the Nafis Acid Test to measure the acidity of the milk, an important part of the process in making cottage cheese.…
The Johnson-Lieferman photo collection was donated to the Clinton Public Library in 2011. All rights belong to the Clinton Public Library. This collection is stored at the Lyons Branch Library.
The Johnson-Lieferman photo collection was donated to the Clinton Public Library in 2011. All rights belong to the Clinton Public Library. This collection is stored at the Lyons Branch Library.
This January 10, 1905 photograph of dairy students shows the students in a laboratory setting. The students are examining bottled milk and milk from a milk can. Some are holding milk testing equipment, while a burette and glass funnel can be seen on…
This January 10, 1905 photograph of dairy students shows the students in a laboratory setting. The students are examining bottled milk and milk from a milk can. Some are holding milk testing equipment, while a burette and glass funnel can be seen on…
