U.S. Military TS-61/AP Crystal Calibrator Test Set with Original Transit Cover

Original U.S. military TS-61/AP Crystal Calibrator communications test set. Designed for precision alignment and calibration of aircraft and military radio equipment, this portable unit features tuned and untuned input connections, adjustable coupling and tuning controls, built-in meter, and storage for spare crystals.

The calibrator retains its original gray military finish and removable transit cover. An excellent piece of Cold War military communications equipment suitable for collectors, restorers, or display alongside military aircraft radio systems.

Features include:

• Original TS-61/AP designation plate
• Built-in Weston analog meter
• Tuned and untuned RF inputs
• Coupling and tuning controls
• Spare crystal storage compartment
• Original military transit cover
• Good original cosmetic condition
• Untested and sold as a collectible