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Scientific American, Vol. 88, No. 8 (1903) (1903)
leaf 7
with a ing the paper tape over the grooved spool and wire, having a flattened end, and provided under the stylus. The roll of tape as pur- with a wooden handle. Sending a signal con- chased from the dealer is carried on a wooden sists simply in drawing the flattened end of reel, supported by a… … slight spring for checking its from that source. © 1903 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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