General Radio Sound Level 1565-B Sound Level Meter - Free Shipping

General Radio Sound Level 1565-B Sound Level Meter

General Radio Permissible Sound Level Calibrator

General Radio GenRad 1565-B Sound Level Meter with Case & Manual

Vintage General Radio Company Sound Level Meter Type 1565-B (TESTED WORKING)

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

GENERAL RADIO 15650B Sound-Level Meter w/ Case and Manual

GENERAL RADIO 1565-B Sound Level Meter