USS Henley (DD-39)- 3-4" Automatic Water Gauge and Drain Cock - NARA - 75842036.jpg
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USS Henley (DD 39) 3 4" Automatic Water Gauge and Drain Cock NARA 75842036, 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): 3/4" Automatic Water Gauge and Drain Cock
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water gauge