Dry Dock Number 4, Monthly Progress Photo, Pump Casings, Alberger Pump Company, Contractor - PICRYL - Public Domain Media Search Engine Public Domain Search
Titanic's Dry Dock & Pump House (Belfast) - YouTube
Marine Type Approved Pumps for Hot Water Boosting and Air Conditioning Cooling System
Marine - Dry Dock Drainage | Xylem US
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
Dry dock - Wikipedia
Mare Island Dry Dock - EDDY Pump
Duke & Orr Dry Dock Pump House, Melbourne, 1904- | www.engineersaustralia.org.au