Title :
Crossbar Toll Switching System
Author :
Abraham, L.G. ; Busch, A.J. ; Shipley, F.F.
Author_Institution :
Toll transmission engineer, at Bell Telephone Laboratories, New York, N. Y.
fDate :
6/1/1944 12:00:00 AM
Keywords :
Conductors; Design engineering; Lifting equipment; Manufacturing; Plugs; Switches; Switching circuits; Switching systems; Telegraphy; Telephony;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1944.5058940