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| TELEPHONES FOR TRACTION
SYSTEMS CENTRAL STATION APPARATUS K 930
Consisting of Operator's Key. Through Connecting Plugs, and Needle Clearing Signal, mounted in Walnut woodwork. Dimensions
K 935 Through Switching Board For Two Through Connections. Dimensions
Taken from the G.E.C. Illustrated Telephone Catalogue 9th edition (1904) |
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Last revised: July 31, 2025FM2 |