 Handy billy

Handy billy — also known as Handy-billie —is an emergency portable pump that for decades was commonly placed aboard most U.S. Navy ships from World War I on, as well as later use on civilian craft.The "handy billy", formally designated "P50", because it pumped 50 gallons per minute, was gasoline-powered and could be used, during flooding conditions, in conjunction with other pumps on the ship.