Gernsback, Hugo, 1884-1967, ed · New York : [s.n.] · leaf 9
just when for torpedoing and destroying submerged a powerful electro-magnet, so that when it the ship was over the sub-sea craft, it sud- objects such as submarines, and has for it- reaches the "sub's" steel hull it will be at- denly turned on a battery of powerful object to provide a device of… … Copyright by K. P. C< ,, Involves the Use of One or More Powerful Electric Searchlights, the Beams A Recent Invention for Destroying Enemy Submarines, Which unci iui bicv.ii iv, iicai vniivjiiio, mi. i_# ■_ i ■ ■ ■ ■ . rs Windows in the Bottom of tne vessels nun. wnen a Submarine Is Spotted. the_…
