21 records – page 1 of 2.
120-line circuit wiring switchboard blueprint for the B.C. Telephone Co.
Jackfield equipment & frame termination dial for the B.C. Telephone ...
Two way trunk map for the B.C. Telephone Co.
Subs, toll, and rural line circuit map for the B.C. ...
Operator's telephone circuit for the B.C. Telephone Co.
One way incoming trunk map for the B.C Telephone Co.
24v & 48v power panel map for the B.C. Telephone ...
Hazelton switchboard equipment map for the B.C. Telephone Co.
Lamp signal map for the B.C. Telephone Co.
Switchboard ringing key map for the B.C. Telephone Co.
48v power plant map for the B.C. Telephone Co.
Misc MTGS switchboard map for the B.C. Telephone Co.
Night alarm map for the B.C. Telephone Co.
Switchboard and repcoil key map for the B.C. Telephone Co.
Hazelton equipment map
Phonebooks
Horse races, Bulkley Valley Fair, 1914
