USS Preston (DD-19)- St'd 7" Composition Valves for Pressures up to 100 Lbs. - NARA - 117877469.jpg
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USS Preston (DD 19) St'd 7" Composition Valves for Pressures up to 100 Lbs. NARA 117877469, 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): St'd 7" Composition Valves for Pressures up to 100 Lbs.
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