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Handy billy
Handy billy -- also known as Handy-billie -- was/is a common emergency portable pump that was placed aboard most U.S. Navy ships since World War I. == Purpose of the pump ==
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. However, it was especially valuable when the ship lost electrical power and normal pumping ability was lost. On smaller ships, it was a critical piece of equipment.
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