1874 Original Dry Dock Antique Print Pump Device Motor Machine - Etsy
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
Valves replace World War II issue navy designs in dry dock application | CPECN
Dock pump
Monthly Progress Photo, Dry Dock No. 4, Pump Well Center and North Pump Casings, Alberger Pump Company, Contractor - NARA & DVIDS Public Domain Archive Public Domain Search