Original electrical trade vintage catalog for SQUARE D COMPANY.  Main office and plants were located at 6060 Rivard Street, Detroit, MI, at 4041 North Richards Street, Milwaukee, WI, and at 1320 East 16th Street, Los Angeles, CA.

Manufacturers of Electric Motor Control. Products include AC Relays, DC Relays, Contactors, Motor Starters, Push Buttons, Limit Switches, Timers, Truck Control, Marine Control, Laundry Control, Pump Control, Resistance Welder Control, Pressure Switches, Vacuum Switches, Float Switches, Solenoid Valves, Safety Switches and Industrial Multi-Breakers. Has numerous product images with detailed descriptions, uses, applications, dimensions and specifications data provided. Unbound from a large wartime 1945 engineering designer catalog, this unique old four page technical brochure would display beautifully matted and framed. Awesome cover graphics. A fantastic addition to your vintage electrical control library. Excess binding glue on edge and pages may be detached.