Date: | 1925 |
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Description: | Photographic illustration of two men cutting wood with a saw powered by horses on a treadmill. The horses and treadmill were added by an artist's drawing. |
Date: | 11 04 1925 |
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Description: | Three-quarter view from front left of a man sitting on a double disk harrow (experimental) being pulled through a field by four horses. A fence and buildin... |
Date: | 05 29 1957 |
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Description: | Bill Heim inspects a water bottle before heading out on the lake to take water samples at various depths as Richard Pierce, an electrical engineer doing re... |
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