The problem of informing the publia . waiting for trains in railway stations . of great cities has been solved by simple piece of apparatus known the magnaphoiw. (fniiai tion, of Wasliington, D.C., and thd « new Grand Central Station, of New York City, are first to adopt this vice. Tlie instrument, says the " Phi! a- " delphia Record." is simply a loudspeaking telepnone, and ia operated much after the style of the ordinary telephone system. In operating, the. man designat-ed to call trains n the-, stations speaks into the transmitter, and immediately Ids voice is hoard issu» ing from each of the various mega- ~ phones installed not only in the wai T j« ' ing-rooms, but in the ladies' waiting-i-<T.'mg. smoking-rooms and even' lava* •* to vies and corridors. - M
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Bibliographic details
Star (Christchurch), Issue 10753, 26 April 1913, Page 8
Word Count
125Page 8 Advertisements Column 5 Star (Christchurch), Issue 10753, 26 April 1913, Page 8
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