In conclusion, grateful acknowledgment is due to the staff of authors and collaborators, without whose hearty co-operation this work would have been impossible.


Table of Contents


VOLUME II

Manual Switchboards By K. B. Miller and S. G. McMeen[A] Page[B] 11

[CHAPTER XXII]—Common-Battery Switchboards—Line Signals—Cord Circuit—Lamps—Mechanical Signals—Relays—Jacks—Switchboard Assembly

[CHAPTER XXIII]—Transfer Switchboard—Transfer Lines—Handling Transfers