Original industrial trade vintage catalog for AMERICAN MACHINE & METALS, INC.  United States Gauge Division. Main office and plant was located in Sellersville, PA. 

Manufacturers of Industrial Gauges. Pressure, Temperature, Flow and Electrical Measuring Instruments.  Products include Supergauges, Ultra Guages, Drawn Case Pressure and Vacuum Gauges, Panel Type Gauges, Temperature Instruments, Air Charging Controls, Air Volume Controls, Electrical Measuring Instruments Ammeter and Voltmeters. Has numerous product images with detailed descriptions, uses and applications provided.  Unbound from a large 1946 postwar industrial product designer catalog, this unique old four page technical brochure would display beautifully matted and framed. Awesome cover graphics. A fantastic addition to your vintage industrial electrical equipment library.