Heathkit IB-1101 Frequency Counter Nixie Tube

Pristine Vintage Conar Model 202 Frequency Counter Kit No Leads Untested

DataScan MODEL C1400 10HZ-1..4GHZ FREQUENCY COUNTER * Untested

Heathkit IM-4100 (EIA-416) Digital Frequency Counter Ham Radio Untested

Heathkit IM-2400 digital frequency counter Untested

Optoelectronics Frequency Counter 3000A 10hz- 3ghz Dual Input Untested

Vintage Systron Donner 6052 Nixie Tube Frequency Counter AS-IS Power Tested

Vintage Digitron Frequency Counter 6550 USA - Untested As Is