Tunzelmann, George William von, 1856- · New York, Scribner & Welford · leaf 133
at which he can workbe gradually reduced, but errors are very likely to be made.Now Morse signals can be sent along a line and recordedby an ink-writer at a very much greater rate than any clerkcan send by hand; hence many attempts have been madeto devise some means of transmitting messages… … punching holes in a paper ribbon; a transmitter, whichsends the message from the line by means of automaticmachinery, controlled by the punched paper which ispassed through it; and a receiver, which records themessage. The general appearance of the perforator isshown in Fig. 33. OVERLAND…
Electric industries · Electricity
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