USS Preston (DD-19)- Expansion Coupling for Turbines - NARA - 117877342.jpg
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USS Preston (DD 19) Expansion Coupling for Turbines NARA 117877342, 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): Expansion Coupling for Turbines
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coupling