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How to Become an Expert Operator - 3rd Edition
Published by New York c. 1895, New York, 1895
Seller: High Ridge Books, Inc. - ABAA, South Deerfield, MA, U.S.A.
Association Member: ABAA ESA ILAB SNEAB
Seller rating 5 out of 5 stars
24 pp. An interesting training device for prospective telegraphers, the Omnigraph has a dial for spelling out messages which would then be sent in Morse Code. There is also a different machine with a QWERTY-type keyboard for practice in listening to the sounds.
