CONTACT PHENOMENA IN TELEPHONE SWITCHING CIRCUITS 55 



-1200 

 -900 



-300 



+300 



0.5 1.0 



MILLISECONDS 



Fig. 23 — Effect on voltage transient of changing wire line length — 10 ft. 



+200 L 



0.5 1.0 



MILLISECONDS 



Fig. 24 — Effect on voltage transient of changing wire line length — 10 ft. 



10 20 



MICROSECONDS 



Fig. 25 — Oscillation on glow discharge of "A" transient (voltage). 



