Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 618
Fig. 484. he press upon the key long enough to count three, the pointof the style will remain in contact with the paper the samelength of time ; and, as the paper is drawn along beneath thepoint, a short straight line is produced. This short line iscalled, a,dash. These dots and dashes constitute… … THE SOUNDER. 597 is represented as printed in telegraphic characters on the stripof paper. The Roman letters above interpret their meaning.Fig. 484 represents the Morse telegraph receiver in actualuse. 551. The sounder. — If the strip of paper be removed, andthe style be allowed to strike the…
Physics
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