Date: | 11 13 1931 |
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Description: | Engineering photograph of a McCormick-Deering 8a two-row tractor disk harrow. The photograph appears to have been taken in a factory warehouse with a sheet... |
Date: | 11 13 1931 |
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Description: | A 6ft, 8A tractor disk harrow is set up on a floor covered with paper. There is a backdrop behind the harrow, and beyond is a factory floor. There is a fig... |
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