Category:US National Archives Record Group 74: Records of the Bureau of Ordnance, 1818 - 1967

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Subcategories

This category has the following 2 subcategories, out of 2 total.

A

US National Archives series: Letters Received from Albert Einstein, 5/17/1943 - 10/15/1944‎ (26 F)

U

US National Archives series: Construction and Design Drawings of Guns, Related Machinery and Parts, 1862 - 1921‎ (8 F)

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