View cart “Astatic 335L-22 Microphone Compact Crystal Cabled Piezoelectric Vintage Supermarket P.A. Heavy Duty Cast Metal Case” has been added to your cart.
API Model 561 Shielded Hz Deviation Meter Frequency Measurement Gauge Vintage Panel-Mount
$35.00
Here is an API shielded meter model 561 the measures frequency Hz deviation. Made to be panel mount.