Date: | 1947 |
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Description: | Two men standing at the rear of the Wisconsin Department of Agriculture dairy laboratory truck, which has wooden steps leading up to the open rear doors. |
Date: | 1944 |
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Description: | Gertrude Satina weighs a piece of steel in the chemical laboratory at the International Harvester Company. The original caption reads: "This photo shows th... |
Date: | 1944 |
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Description: | Arnold Batson works with natural and synthetic rubbers in the rubber laboratory at the Gas Power Engineering Department. The original caption reads: "Exper... |
Date: | 1915 |
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Description: | Large group of Dairy School students, all men, testing samples in the laboratory. |
Date: | 1960 |
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Description: | Slightly elevated view of three men working with an experimental crawler tractor indoors. Caption reads: "Experimental Crawler Tractor Equipped with a Turb... |
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