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Scientific American, Vol. 85, No. 2 (1901) (1901)

leaf 7

An illustration from Scientific American, Vol. 85, No. 2 (1901), 1901, leaf 7
; and that departure, the extinguished when the operatbr connects with the only public sign of this answering-jack to answer step, is the abolition of the the call. In addition to magneto- generator used in calling the central of- the lamps of the answer- fice, and of the sub-station ing-jacks a… … for they would be of interest only to Serf PY Heys If the number be that of a subscriber first taps the edge of the perts and would require many numbers of the multiple-jack of the sta- tion waited with the tip of ScIENTIFIC AMERICAN to the second plug forming do ‘them full justice. The labors of…

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