USS Preston (DD-19)- 18" Main Circulating Pump (Capacity 10,000 G.P.M. at About 337 R.P.M.) - NARA - 117877362.jpg
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USS Preston (DD 19) 18" Main Circulating Pump (Capacity 10,000 G.P.M. at About 337 R.P.M.) NARA 117877362, 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): 18" Main Circulating Pump (Capacity 10,000 G.P.M. at About 337 R.P.M.)
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プレストン
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circulating circulate field capacity revolutions per minute