J-B-T Instruments Frequency Meter Model 33-FX

J-B-T Instruments Frequency Meter Model 33-FX – 380–420 CPS / 100–130V – NOS in Box

Vintage J-B-T Instruments, Inc. Frequency Meter, Model 33-FX, range 380–420 cycles per second, 100–130 volts. Comes in its original J-B-T box with instruction tag and mounting hardware/accessory packet. The meter appears very clean, likely unused/new old stock, and is marked for panel mounting. Good piece for vintage electrical, aviation, generator, radio, or test-equipment collectors. Untested, sold as collectible/display/restoration equipment.