Telegraph engineering : a manual for practicing telegraph engineers and engineering students (1922)
Hausmann, Erich, 1886- · New York : D. Van Nostrand Company · leaf 386
of Fig.10 with an interval of 0.3 second between them. It willbe observed that the second dot in Fig. 14 is very shortwhile the third dot is almost as long as the dashes. Thisdistortion of signals may render deciphering difficult, butthe method can be improved upon by giving each im-pressed letter… … K-S^—X Cable Fig. IS. Fig. 15. The outer terminals of the split battery B connectwith the contacts of the polarized relay F, and the middletap is grounded through the primary winding of trans-former T. The secondary winding of this transformer con-nects with the coils of the relay. Depressing the…
Telegraph
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