American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 513
with its corresponding pin on the cylinder. A device, whereby any key depressed is held down until another key is depressedis shown also in Fig. 325. It consists of the bent lever /^, which carries a rod r(shown in cross section in the figure) placed at the lower ends of the key lovei-s, as 436… … i next key lever pushes the rod back, allowing the first lever to rise. iTiis device, if^ot desired may be readily dispensed with by holding it out of the path of the levers. FIG. 325^. EXCHANGE ....BR PR KIN 486.488 39 80 11.14 In Fig. 325^, specimen of printed slip as received by a tvro…
Telegraph
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