Operation and adjustments of the automatic three wire telephone (1915)
Decker, Benjamin Harrison · leaf 58
ves a light impulse. As the switches in the exchange areadjusted for certain timed impulses, it is very important thatthe instrument impulse adjustment be for a corresponding durationof time. The rotary impulse spring has the reverse position of thevertical spring as concerns the shoulder. The two… … Fig. 6. Release, Talking and Lockout Springs. Party Line Telephone. ±,-VerticalRaieosa Spnn^. 3r frame Spring 4. - Tfllkm^ Springs. 5. -Lockout 5^rln5S. /fofo, E/ecf. Co. Fr/fit. .3 pil -25- contact with the ground post only once. This feeing the case itis not necessary that its adjustments he so…
Telephone · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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