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Scientific American, Vol. 83, No. 24 (1900) (1900)

leaf 3

An illustration from Scientific American, Vol. 83, No. 24 (1900), 1900, leaf 3
amp, but is now pense and inconvenience in visiting the various tele- zero by turning a button. The counter.at the sub- used even in the house-lamp. The simplest lamp of phone installations, in order to take the state of the scriber’s end of the line does not reset, but continues to this kind which… … the button, c, simultaneously rotates the counter one number forward and rotates the camwheel, h, to

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