Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 358
outnoticeable interference, of the high-tension impulses of a magneticcoil upon the current or currents of the Morse system. Even whenall the wires on the route are crossed or grounded, not exceptingthe one upon which the phonoplex is working, it admits of service-able operation. It can be worked… … o SMfUO O/ ^■^H the number of wires is usually limited, an extra circuit which isat all times available. The ap])aratus is adapted for use betweenintermediate, as well as between terminal, points; but the diagram(Fig. 30) presents, and the text describes, the arrangement of aterminal station where…
Electrical engineering
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