Page:Popular Science Monthly Volume 90.djvu/666

 The Swarm of Submarine Chasers Which Is Being Built

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Above: A submarine chaser of the latest type. It draws but thirty inches of water; A torpedo travels at a depth of from eight to fifteen feet. The boat's speed is more than forty miles an hour. It carries two guns

��Below: An entire shipbuilding plant works day and night turning out these chasers for the British. Each boat is manned by eight men and the cruising radius is fifteen hundred miles on one thousand gallons of gasoline

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