USS Henley (DD-39)- No. 2 H. P. Ideal Steam Trap - NARA - 75841898.jpg
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USS Henley (DD 39) No. 2 H. P. Ideal Steam Trap NARA 75841898, 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): No. 2 H. P. Ideal Steam Trap
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