Date: | 10 09 1931 |
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Description: | Air Reduction Sales Co. display of oxygen and acetylene tanks at the 2nd welding conference in the U.W. engineering building. |
Date: | 10 09 1931 |
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Description: | American Optical Co. exhibit of welding goggles, helmets and shields at the 2nd welding conference in the U.W. engineering building. |
Date: | 12 20 1943 |
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Description: | A man welding in the back of a mobile machine shop out in a field near a tractor is able to modify parts of experimental harvesting machines on location. A... |
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