Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 556
ommonly known as the Morse relay, one ofwhich is shown in Fig. 385. For a quick-acting relay and a verysensitive one this type is still used in telephony where there is noparticular need to economize room. The evolution spoken of, how-ever, has been made necessary primarily on account of the… … FIG. 3S5.-MOKSE RELAY. must be of such design as to enable them to be mounted closely to-gether without producing cross-talk between them; some relaysmust be polarized so as to operate on current in one direction only;others must be differentially wound; some-must be designed formaximum impedance;…
Telephone
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
