USS Preston (DD-19)- Turbine Casing Blade Stops - NARA - 117877322.jpg
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USS Preston (DD 19) Turbine Casing Blade Stops NARA 117877322, 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): Turbine Casing Blade Stops
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casing molding