Meter, Frequency/Frahm Frequency Meter, James G. Biddle Co.

Frequency meter constructed out of circular silver metal. Meter scale reader is in black and cream with company information in black lettering. The scale reader is on the front of the object underneath a layer of protective glass. Black painted metal trim around the glass. Company information, "FRAHM; Frequency Meter; 10-15 volts; CPS; James G. Biddle Co., Phila. 7. PA., U.S.A." Stamped on the back of the object, "ARC; 19749; sealed do not open."