SECTION SWITCH BE CB No. 9
SWITCHBOARD AT 1810
SWITCHBOARD AT 3718 SWITCHBOARD
AT 3796 SWITCHBOARD
CB 873
SWITCHBOARD CB 887
SWITCHBOARD CB 935
SWITCHBOARD CBS 364
SWITCHBOARD CBS 484 SWITCHBOARD
N 1070 SWITCHBOARD RP3751
PMBX
No. 1 PMBX
No. 2 PMBX
No. 3 PMBX
No. 4 PMBX
No. 11 PMBX
No. 12 |
Abbreviations
A.T. - Automatic |