Date: | 1951 |
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Description: | Single helical gear train that is a component of a gold mine hoist. This unit was purchased and used by Homestake Mining of Lead, South Dakota. Falk captio... |
Date: | 1951 |
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Description: | Side view of a full-size rendering of an International truck in clay. The model is located inside a garage or studio space. The model was likely made by a... |
Date: | 1951 |
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Description: | The cover of an issue of American Machinist (issued on August 20, 1951). A man is operating a machine. |
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