USS Preston (DD-19)- 3" -13 Relief Valve for Turbines - NARA - 117877314.jpg
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USS Preston (DD 19) 3" 13 Relief Valve for Turbines NARA 117877314, USS Preston (DD-19), US National Archives series: Alphabetical Series of Ship Engineering Drawings, Images from the National Archives and Records Administration, US National Archives location: other, USS Preston (DD-19): 3" #13 Relief Valve for Turbines
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