Tunzelmann, George William von, 1856- · New York, Scribner & Welford · leaf 129
n the sounder, and is worked in a similarmanner, by means of a key from the transmitting station.F is a soft iron armature attached to the levery^ movableabout a horizontal axis, as shown in the diagram. When nocurrent is passing through the apparatus, the lever /is keptpressed against the stop 2… … Fig. 3°- ink. The paper is carried through the apparatus by meansof an ordinary clockwork arrangement, in the directionshown in Fig. 29, and this clockwork also keeps the disc Iin rotation, and thus insures its being kept wetted with ink.When a current is sent through the apparatus from theline,…
Electric industries · Electricity
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