Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 65
by the fact that the cord tips, which are always the weakestportion of a cord, are concealed from the user and are protectedfrom any possible mechanical injury. An external view of this type of receiver, with no exposed metalparts, is shown in Fig. 28. In Fig. 29 the form of receiver originally… … FIG. 29.—WESTERN TELEPHONE CONSTRUCTION COMPANYS RECEIVER. magnet is of horse-shoe form, consisting of a single bar of magnetsteel bent into the form shown. On the forward ends of the mag-net is carried a block of brass grooved on each side to partiallyenclose the magnet limbs. The rear portion of…
Telephone
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