Operation and adjustments of the automatic three wire telephone (1915)
Decker, Benjamin Harrison · leaf 36
important part in the callingdevice. The cam placed in the latest constructed telephonesconsist of a circular disk of stamped metal. See Figures S, 4.It is attached to main shaft by means of a slotted sheathedRearing over which fits a collar clamp with set screw. The periphery/ of the cam is… … F/g. 3-I)iQgKam showing irclQtivc positions of Cam, Xm(D. Sjpnn^sand Grciund Post. 2. - Ground Post, 3. -Rotary JTwyb. Sp>rin^. Vertical X/^p. Sfring.S.- O a /rt. j l„ . ^1 / b f« u o >f -.5 5 .p ^ 4 -14- abont thirty degrees to that of the plane of the cam. Thisangle is to conform with the…
Telephone · Theses
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