1983 Gen Rad General Radio Sound Level Meter Genrad Type S2A UNTESTED!! As Is

GenRad General Radio 1565-A Sound Level Meter w/ Leather Case – Untested Vintage

Vintage General Radio Company Decibels Sound Level Meter Type 1565-A With Case

GENERAL RADIO COMPANY 1551-B SOUND LEVEL METER no power supply

1551-C Sound Level Meter General Radio Company Tested working

General Radio Company Type 1567 Sound Level Calibrator (114dB, 1kHz)

General Radio Company Sound Level Meter Type 1551-C

Vintage General Radio Company Decibels Sound Level Meter Type 1565-A With Case