Antique Sterling Pocket Voltmeter (0-50 Volts) - Patented October 3, 1916

A vintage pocket-style DC voltmeter made by Sterling Manufacturing Company in Cleveland, Ohio. Designed in a pocket watch style casing, this gauge was used to test early battery systems, radio batteries, and automotive electrical circuits in the early 20th century. 

Manufacturer: Sterling Manufacturing Co., Cleveland, Ohio

Patent Date: October 3, 1910

Measurement Range: 0 to 50 Volts 

Design: Pocket watch style nickel-plated metal case with top contact post and red script Sterling branding on the dial face. 

Condition: Antique pre-owned condition showing light surface wear, minor plating loss, and age-appropriate patina. Face window and gauge scale remain clear and legible. Untested for accuracy and sold as an antique display collectible.