Operation and adjustments of the automatic three wire telephone (1915)
Decker, Benjamin Harrison · leaf 31
Fig. E- Sin^l^Party, Line Telephone Kay bocurd. G roo/ic/ Post. 6.- f^ac<j V« k Hook, II- lk!»j Springs. S.-Rotai^y X^^, Spnti^. 5.-Wo^-mfl/ Stofi, IS- (governor.^. - L a\^e r Lock, 3,-Lever Lock Sfrr/n^. S.-5f»i€ler /frnt^rccktt^o.- Gear Wheel. Ftrptn ffuto, £teet. Go. T^rint. \ … -11- will bo the result. Wow as inain shaft turns at the beginning ofa call the lower arm rises and due to the tension in talkingsprings they part of their own accord. The next function of the normal stop is to connect groundspring to ground post. See Figure 2 parts 1, 2^ In normalcondition the…
Telephone · Theses
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