nd pulls down receiver is furnished foreach. Thus an operator may be the back of the switchboard proper. The board the cam lever switch, thus bringing her telephone into subject to fifty callers or less. But she must be pre- stands about eight feet in height upon a slightly ele- shunt circuit with… … presumption to seta limit tion coils as unnecessary to to invention, but the mul- the comprehension of the board, the other end of the tiple switchboard seems to line may be regarded as grounded at the subscri-_ have nearly reached perfection. At arecent telephone number ?” The caller responds,…
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