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Show I - " . r- t - ' bL::.' - LONDON, .April 3. An Interest!-? series of demonstrations has been given at Alexandra palace of the. apparatus of transmission and reception of signals sig-nals and speech throu eh the ground without the use of wires. The Inventors, Invent-ors, a young Swedish electrical engineer, engi-neer, trained In the United States, and a Devonshire electrician, were present with Sir Glrard Smith and other experts.' ex-perts.' The experiments were conducted wltho.ut the pretense that a perfected system of lntallatlon tad been worked out and the practicability of dispensing with wires and ma?ts and using earth currents of electricity for commercial, military and naval purposes was illustrated. illus-trated. " Experiments with bombs proved that explosives could be synchronized within with-in the same radius, bo that all could be fired simultaneously or each In turn by means of earth currents without wires. The value of these tests for practical warfare was conceded by the military experts. ' ' ' ' " ' -' ' - '. : Other experiments illustrated the transmission of Morse dots and dashes and musical sounds by wireless telephone.-. " .- |