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Scientific American, Vol. 86, No. 3 (January 1902) (1902)

leaf 7

An illustration from Scientific American, Vol. 86, No. 3 (January 1902), 1902, leaf 7
tray-ing its presence upon the sur-face; and the possibility of un-expectedly rising to the surfacenear the enemy, through errorin reconnaissance, is entirely avoided. By means of the wireless telephone or tele-graph, the commander of the battleship can keep thecaptain of the submarine well posted… … THE SUBMARINE BOAT TRAVELING ON THE SURFACE WITH CONNECTING RODFROM ELECTRO-CAPILLARY RELAY TO THE RUBBER, EXPOSES TO SHOWMETHOB OF WORKING. the facility and infallibility of the synchronizing, bywhich means messages cannot be tapped or interrupted.The receiver and transmitter of each system are…

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