Category:US National Archives Record Group 156: Records of the Office of the Chief of Ordnance, 1797 - 1988

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Subcategories

This category has the following 5 subcategories, out of 5 total.

U

US National Archives series: Decimal Correspondence, 1916 - 1944‎ (7 F)
US National Archives series: Investigation Subject Files, compiled 02/16/1941 - 03/31/1945‎ (18 F)
US National Archives series: Military Historical Files, compiled 1945 - 1962, documenting the period 1917 - 1962‎ (empty)
US National Archives series: Philadelphia Ordnance District: Report, 1946 - 1946‎ (4 F)
US National Archives series: Photographs, 1942 - 1943‎ (46 F)

Media in category "US National Archives Record Group 156: Records of the Office of the Chief of Ordnance, 1797 - 1988"

The following 2 files are in this category, out of 2 total.

Damaged Heating Boiler - DPLA - a90bd7292af338aee5d58cf30325da3d.jpg 2,276 × 2,854; 1,011 KB
Railroad at Steel Foundry, Watertown Arsenal - DPLA - ae0628477aa29d5c548a42be3e46ea9d.jpg 3,150 × 2,460; 2.01 MB

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