Cyclopedia of telephony and telegraphy : a general reference work on telephony, substations, party-line systems, protection, manual switchboards, automatic systems, power plants, special service features, construction, engineering, operation, maintenance, telegraphy, wireless telegraphy and telephony, etc
1911
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Main title:
Cyclopedia of telephony and telegraphy : a general reference work on telephony, substations, party-line systems, protection, manual switchboards, automatic systems, power plants, special service features, construction, engineering, operation, maintenance, telegraphy, wireless telegraphy and telephony, etc / prepared by a corps of telephone and telegraph experts, and electrical engineers of the highest professional standing.
Imprint:
Chicago : American Technical Society, 1911.
Collation:
4 v. : ill.
Dewey class:
621.38
Language:
English
BRN:
825994