Date: | 1910 |
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Description: | A man at far left, possibly Frank von der Sump, is posing with his elbow resting on a steam tractor. A belt from the tractor is powering a threshing machin... |
Date: | 1905 |
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Description: | Will von der Sump, second from left, is watching as two men guide a log into the circular saw blade of a portable sawmill. A steam engine at left powers th... |
Date: | 1905 |
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Description: | Six men posing in front of a portable steam driven circular saw on the Von der Sump farm. A portion of the saw blade is visible between two men in the cent... |
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