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Show A MANLESS MAN-O'-WAR. Among the amazing developments of the last few years is that of the radio robot, or mechanical device con-! trolled by radio, which has assumed, many forms, from a talking and mov- j ing mechanical "man" to a radio-con- j j trolled battleship. ! So far, the most remarkable production pro-duction in this line is the radio con- trol equipment installed on a British j battleship, whereby its movements I may be governed by transmitters carried car-ried by a destroyer two or three miles ; away. As described by Dr. E. E. Free, this radio control enables the distant j destroyer commander to cause these ( functions to be performed aboard the battleship: Start and stop the engine, change course, throw up a smoke screen, and j even regulate the playing of the ship's phonograph band; all without a single man aboard the vessel. Many experiments, more or less successful, have been made in America Amer-ica with radio controlled airplane, tanks, automobiles and motorcycle :, as well as radio directed naval sh ps during dur-ing target practice. It would suit most of in if in the next war it were pnssib'e to s-tid out machines alone to do th" f h' in;:, while humans remained behind ;h lines attending to their other duties. |