Search the Wisconsin Historical Society's collections

Searching for

Refine by

Results 41-43 of 43

Photograph

Toledo Scale

Date: 04 12 1928
Description: Man taking chemical CaCO4 out of a jar to measure it on Toledo Scale in Ricketts laboratory at Agriculture Chemistry Building, University of Wisconsin.
Photograph

Column Testing

Date: 09 1926
Description: Column failure testing at the University of Wisconsin Engineering Laboratory.
Photograph

Kjeldahl Apparatus

Date: 1926
Description: Special Kjeldahl apparatus in Dr. Edwin B. Fred's laboratory.

Have Questions?

If you didn't find the material you searched for, our Library Reference Staff can help.

Call our reference desk at 608-264-6535 or email us at: