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Scientific American, Vol. 94, No. 21 (1906) (1906)

leaf 8

An illustration from Scientific American, Vol. 94, No. 21 (1906), 1906, leaf 8
y complicated paratus of the sender’s section and one of the receiv- devices have been used, as far as possible, in prefer- ence to electrical ones. an explanation of its action and its advantages will be er’s. In the illustration these two sections, each de- Current for the subscribers’… … SHOWING DISCS FOR” tony SvusscRiBeR UNITS TENS HUAOREDS CALLING UP ANO THOUSANDS _ | A. inoicator PLATE yO ip Ue : A t ik) Meet: |B. HANOLE FOR wD, Wir, cite — : MAKING CONNECTION DECIMAL INDICATOR TAT THE EXCHANGE WHicH : RECEIVES THE NUM GER AND SENDS IT To SELECT ITS CONTACT FROM ONE OF THe…

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