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Filter: Subject of Firearms
Filter: Subject of engineering
| Date: | 05 25 1942 |
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| Description: | Factory inspectors at International Harvester's 20 mm gun plant. A woman also stands in the background using a piece of equipment. Original caption reads: ... |
| Date: | 1918 |
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| Description: | Elevated view from steep shoreline of a railroad bridge repaired with timber stacked all the way up from the riverbed to reinforce the truss of the bridge.... |
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