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Scientific American, Vol. 42, No. 20 (1880) (1880)

leaf 4

An illustration from Scientific American, Vol. 42, No. 20 (1880), 1880, leaf 4
a wire may be traced very readily in case switch, which is arranged below the signal box, con- of accidents. At the central office the cable is separated, sists of a series of vertical bars of metal, one. for each subscriber, and a series of horizontal bars of metal arranged behind the vertical… … he desires to be connected with No. 9. The Figs. 1, 2 3—THE GOWER TELEPHONE, Fig. 8. employe then resets the signal of No. 5, and €ate’with another subscriber,. he gives the signal by blowing into the tube of his telephone. The Gower Company, desiring to maintain the simplicity of the instrument,…

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