Date: | 09 12 1929 |
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Description: | Blue Jay Concrete Co., cast stone, booth at East Side Business Men's Association (ESBMA) Fall Festival. |
Date: | 03 12 1929 |
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Description: | View of a machine that makes concrete blocks at Madison Silo Company. |
Date: | 1926 |
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Description: | Concrete chimney experiment at the University of Wisconsin. |
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