Original electrical trade vintage catalog for FIRST INDUSTRIAL CORPORATION. Micro Switch Division. Main office and plant was located in Freeport, IL.

Manufacturers of Micro Switches. Small Precision Snap-acting Switches. Products include Basic Types of Switches, Die Cast Enclosed Switches, Actuators for Basic Switches, Limit Switches and Explosion Proof Switches. 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 eight page technical brochure would display beautifully matted and framed. Nice cover graphics. A fantastic addition to your vintage electrical control library.