Date: | 1921 |
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Description: | Man operating an experimental(?) reverse drive tractor with mounted hay rake in a field. |
Date: | 1921 |
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Description: | A butcher holds a knife as he weighs a piece of meat on a hanging scale. A male customer wearing a one-piece work suit and hat waits on the opposite side o... |
Date: | 1921 |
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Description: | Group portrait of timber mechanics outdoors at the Forest Products Laboratory. |
Date: | 1921 |
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Description: | Left side view of an International Harvester experimental steam tractor. |
Date: | 1921 |
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Description: | Close-up of International Harvester experimental steam engine. |
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