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Filter: Year of 1900-1999
Filter: Year of 1920-1929
| Date: | 1928 |
|---|---|
| Description: | Professor Hull conducting an experiment at the Psychological laboratory of the University of Wisconsin. |
| Date: | 1926 |
|---|---|
| Description: | Dr. Stephen Babcock with an electric centrifuge butterfat tester. |
| Date: | 12 16 1929 |
|---|---|
| Description: | Engineering photograph of an experimental McCormick-Deering 15-30 TracTracTor (crawler tractor). Right side view. |
| Date: | 04 30 1928 |
|---|---|
| Description: | Engineering photograph of an experimental 10-20 McCormick-Deering TracTracTor (crawler tractor). Side view, right. |
| Date: | 04 11 1928 |
|---|---|
| Description: | Engineering photograph of an experimental Farmall tractor with "new Bosch (no battery) lighting system." Right side view. |
| Date: | 04 14 1925 |
|---|---|
| Description: | Engineering photograph of an experimental McCormick-Deering tractor with fenders apparently designed for use in orchards or groves. Left side view. |
| Date: | 07 09 1929 |
|---|---|
| Description: | Pea field — inoculation experiment. John Bell farms. There are signs in the field. |
| Date: | 07 09 1929 |
|---|---|
| Description: | Pea field — inoculation experiment. John Bell farms. |
| Date: | 07 30 1929 |
|---|---|
| Description: | A man reads a Toledo scale at the University of Wisconsin engineering building. |
| Date: | 07 30 1929 |
|---|---|
| Description: | A man reading a scale at the University of Wisconsin engineering building. |
| Date: | 09 12 1928 |
|---|---|
| Description: | Miles J. Martin laboratory equipment and Underwood typewriter used for thesis at the Physics building (Sterling Hall?) located on the University of Wiscons... |
| Date: | 01 09 1927 |
|---|---|
| Description: | Paint test panels near Middleton, with shadow of photographer and camera. |
| Date: | 01 09 1928 |
|---|---|
| Description: | Difference in paint on fences on a state highway. |
| Date: | 10 02 1926 |
|---|---|
| Description: | Four men selecting seed corn ears in a cornfield. |
| Date: | 09 1926 |
|---|---|
| Description: | Column failure testing at the University of Wisconsin Engineering Laboratory. |
| Date: | 1926 |
|---|---|
| Description: | Special Kjeldahl apparatus in Dr. Edwin B. Fred's laboratory. |
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