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Dry Dock Number 4, Monthly Progress Photo, Pump Casings, Alberger Pump Company, Contractor - PICRYL - Public Domain Media Search Engine Public Domain Search
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Jun 16 1919 Pump No1, Dry Dock No4 from South. Worthington Pump Co. US Navy Yard, Norfolk, Virginia. C-2356 Local Identifier: 181-V-2264 [6150×4950] : r/HistoryPorn
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Dry Dock Number 4, Pump Well, Motor Floor, Looking Northeast - NARA & DVIDS Public Domain Archive Public Domain Search
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Improving ship yard ballast pumps' operations: A PCA approach to predictive maintenance - ScienceDirect
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