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Black Hawk County, Iowa. Nov. 1939. A laboratory technician for the Triple-B association ...
Content Provider | Library of Congress - Photographs |
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Description | Photographs show a laboratory technician for the Triple-B Association, a group of small farmers, testing milk. Association formed with aid of Farm Security Administration. Equipment includes test tubes, pipettes, centrifuge, and laboratory apparatus. |
File Format | JPG / JPEG |
Language | English |
Part of Series | Groups of Images (LOTs) |
Requires | HTML5 supported browser |
Access Restriction | Open |
Content Type | Image |
Resource Type | Photograph |