Difference between revisions of "TC - Telephone Central"

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* [[TC-1]] Switchboard, multiple position, 30 lines per position
 
* [[TC-1]] Switchboard, multiple position, 30 lines per position
 
* [[TC-2]] Switchboard, single position, 20 lines per position
 
* [[TC-2]] Switchboard, single position, 20 lines per position
* [[TC-3]]
+
* [[TC-3]] Telegraph central office
 
* [[TC-4]] Switchboard, single position, 40 lines per position
 
* [[TC-4]] Switchboard, single position, 40 lines per position
 
* [[TC-5]] Switchboard, multiple position
 
* [[TC-5]] Switchboard, multiple position

Revision as of 19:02, 27 February 2014

Telephone central office sets