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Show Time 8lgnalo by Telephone A mochanlsm has boen attached to the time-clock at the Hamburg observatory obser-vatory by which tho eioct official time Is transmitted to the telephone system sys-tem of tho city. From the fifty-fifth to sixtieth second of each minute tho apparatua transmits a musical signal, which Is followed by a phonographic announcement of tho exact minuto. The signals are transmitted by special spe-cial wlro to the hoadquartorB of tho telephone system, and thonco to each local exchange. Any telephone sub scriber who wishes to get the exact tlmo has only to ask for tho time connection con-nection at hie oxchango and to llblon for tho phonographic announcement. This lo an Improvement upon tho American method by which time signals sig-nals are transmitted by telegraph only onco a day. Youth's Companion. |