Date: | 05 20 1930 |
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Description: | Rear view of a disk harrow in a field hitched to a McCormick-Deering 10-20 tractor. There are rocks on top of the disk harrow for extra weight. There is an... |
Date: | 05 06 1935 |
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Description: | Left side view of a TracTracTor pulling an experimental #8B disk harrow in a field. There are automobiles parked in the background near a fence. On a hill ... |
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