Signal Corps Test Set I-139-A Milliameter Test Instrument

Signal Corps Test Set I-139-A Milliameter Test Instrument

Original U.S. Army Signal Corps Test Set I-139-A featuring an integral DC milliamp meter housed in a rugged wrinkle-finish metal case with attached test cable. Designed for servicing and troubleshooting military communications and electronic equipment, this compact instrument retains its original data plate and is representative of WWII-era Signal Corps field test equipment. A great display piece for collectors of military radios, electronics, and communications gear. Untested and sold as a collectible.