Original electrical trade vintage catalog for AUTOMATIC TEMPERATURE CONTROL COMPANY, INC.  Main office and plant was located at 20 East Logan Street, Philadelphia, PA.

Manufacturers of Electronically Operated Time Controls. Products include Vernier-Set Timer, Repeat-Cycle Single Cam Timer, Multiple-Circuit Cam Timer, and Complete Timing Systems. Has numerous product images with detailed descriptions, uses, applications, dimensions and specifications provided. Unbound from a large wartime 1945 engineering designer catalog, this unique old four page technical brochure would display beautifully matted and framed. Nice cover graphics. A fantastic addition to your vintage electrical equipment library.