USS Henley (DD-39)- 7" Gate Valve Pressures Up to 100 Lbs. - NARA - 76020157.jpg
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USS Henley (DD 39) 7" Gate Valve Pressures Up to 100 Lbs. NARA 76020157, USS Henley (DD-39), US National Archives series: Alphabetical Series of Ship Engineering Drawings, Images from the National Archives and Records Administration, US National Archives location: other, USS Henley (DD-39): 7" Gate Valve Pressures Up to 100 Lbs.
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