General Radio Type 758-A Wavemeter. Frequency In Megacycles.

General Radio Wavemeter and filter

Cushman/KNS K-30 Frequency Selective Level Meter

General Radio 624-A Precision Wavemeter In Case With Coils And Charts

Antique General Radio Wavemeter Pair 1140-A 758-A Bakelite Ham Radio FREE SHIP

Marconi TF2432 560 MHz Digital Frequency Meter

VTG Quan-Tech Model 304TDL Low Frequency Wave Analyzer 304-TDL UNTESTED as is