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Originally produced for the Navy Department, Bureau of Ships, this military radio-frequency test instrument was designed for servicing and calibrating radio and communications equipment.
The front identification plate reads:
SG-103 / URM-25F
GENERATOR, SIGNAL
NObsr-59613
Serial No. 3106
The interior cover identification plate is marked:
AN/URM-25F R.F. SIGNAL GENERATOR SET
Navy Department – Bureau of Ships
New London Instrument Company, Inc.
New London, Connecticut
U.S. Property
Includes multiple original military RF accessories mounted inside the case lid, including the CW-346/URM-25F cover, DA-109/URM-25F dummy load, CU-408/URM-25F impedance-matching unit, cables, adapters and other components shown in the photographs.
Condition: Vintage military-surplus condition with scratches, scuffs, oxidation, paint wear, age-related grime and wear to the case/hardware. Equipment has not been electrically tested and is being sold as-is for restoration, collecting, amateur-radio use, display, or parts. Please review all photographs carefully for exact condition and completeness.
Details
- U.S. Navy / Bureau of Ships
- Model: AN/URM-25F
- Signal generator: SG-103/URM-25F
- Serial: 3106
- Contractor: New London Instrument Co., New London, Connecticut
- RF signal generator / military test equipment
- Original metal transit case
- Multiple original URM-25F accessories included
- Untested
