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

Montreal terminal - Traffic Control Tower at Lachine Canal

Montreal terminal - Traffic Control Tower – Equipment to lift bridge