Electricity for everybody; its nature and uses explained (1895)
Atkinson, Philip · New York, The Century Co. · leaf 234
s transmits electric cur-rents through the circuit, which reproduce identicalmovements in a pen attached to a pair of light aluminumarms, in the receiver, so that the message written in thereceiver is a fac-simile of that written in the transmitter. The receiving pen is a capillary glass tube,… … Pig. 94. a continuous roll; and, in the transmitter, it is movedforward by the writer, as each line is finished, by a lever
Electricity
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