January 1977 issue of EC&MS: Electrical Contractor & Maintenance Supervisor (Vol. 27, No. 1), published by Maclean-Hunter in Canada. This vintage trade magazine explores electrical industry modernization, plant management, and Canadian infrastructure projects. Featured articles include “Planning for Profit: Physical Plant and Equipment,” “Electrics and Steel – The Algoma Steel Story,” and “Electrical Features of a Prize Project.” Includes photographs, technical data, and late-1970s advertisements from major industrial suppliers (Killark Canada, Bussmann, Electroline, and others).