Electricity and magnetism : an elementary text-book, theoretical and practical (1920)
Glazebrook, Richard, Sir, 1854-1935 · Cambridge : The University press · leaf 417
of thealphabet is represented by a suitable combination of deflexionsto right and left. By adding a second receiver at A and a second battery andkey at £, connected as shewn in Fig. 256, the above line canbe made to work either way. With the keys in their normalpositions both ends of the lines are… … Pig. 257. 251. The Morse Instrument. In the Morse re-ceiver, Fig. 257, a narrow continuous strip of paper is drawnby clockwork from a drum between rollers. A lever, AB, with a pen or style at the end £ carries 408 ELECTRICITY [CH. XXV a piece of soft iron at A ; the current from the distant…
Electricity · Magnetism
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