Vancouver radio station - group in studio

Model using wall phone

Model using car telephone

Model using Starlight telephone

Switching board at Montréal's Central Station

Collins computer - Toronto (C-8500 computer)

C-8500 computer at Toronto

Switchboard in exchange CNT building

A telephone operator for the RCAF Women's Division connects a call

Soldiers send telegrams at Bonaventure Station

16 year old telegraph operators in a Canadian National Telegraphs office

16 year old telegraph operators in the Canadian National Telegraphs office

Switchboard operators at work at CNR's Private Automatic Branch Exchange in Toronto's Union Station

Centralized traffic control, Moncton to Halifax

CTC control chart records Moncton to Halifax train movements

Switch telephone station Centralized Traffic Control, Moncton to Halifax

Levermen at CTC Board Wellington Tower

A signals supervisor taps a line with a telephone

A communications dispatcher at Central Station

Yardmaster, Toronto Terminal railways John Street tower

A carriage stops in front of a Canadian National Railway telegraph office

Telegraph pole, left, damaged by winter storm

Levermen at CTC Board Wellington Tower

Battery room of the Wellington Tower

Special CBC radio broadcast from Mimico roundhouse

Special CBC radio broadcast from Mimico roundhouse

Special CBC radio broadcast with female CN employees at Mimico roundhouse

Two way radio communication from Central Station's control tower to diesel locomotive

Train conductor delivering telegram to passenger

Telegraphers dressed for centennial celebrations

Dispatcher at the CTC panal, Port Arthur

Radio Station, Churchill, Manitoba

A CN employee uses a remote control device to operate a diesel locomotive on the Great Slave Lake Railway in 1968

Microwave tower, Gander, Newfoundland

Montreal terminal - Traffic Control Tower at Lachine Canal

Montreal terminal - Traffic Control Tower – Equipment to lift bridge

War record - C.N.T. Automatic Telegraph School - Students sending and receiving telegrams