Pumping out steamship

gelatin silver print

Gelatin silver print in photograph album 2008.28.6 of Merritt-Chapman & Scott Corporation salvage operations; pumping out steamship; caption from "Black Horse of the Sea", page 31, "It is to pave the way for large suctions such as this one that the diver goes down to place his patches. Severral pumps often are used at one time. This gasoline engine driven 12 inch salvage pump handles 3600 gallons per minute. Other types operate submerged."