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Samples of bacteria colonies in milk. Sample on right was made before pasteurization and that on the left after pasteurization. Samples were used in bacteriology class of the Dairy Industry Department to show that not all bacterial colonies are destroyed in pasteurization. Iowa State Collge, Ames, Iowa
Content Provider | Library of Congress - Photographs |
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Spatial Coverage | Iowa--Story County--Ames |
File Format | JPG / JPEG |
Language | English |
Part of Series | Farm Security Administration/Office of War Information Black-and-White Negatives American Memory |
Requires | HTML5 supported browser |
Access Restriction | Open |
Subject Domain (in LCSH) | United States--Iowa--Story County--Ames. |
Content Type | Image |
Resource Type | Photograph |