*TC* SCOTT INSTRUMENT LABORATORIES TYPE 451 SOUND LEVEL METER ANSI S3A TESTED

H. H. Scott Type 451 Sound Level Meter In Case

H H Scott type 450-B Sound Level meter with case & strap UNTESTED

Extech Instruments 407703 Sound Level Meter with Case

Radio Shack Digital Sound Level Meter 33-2055 Black with Case Working

RADIO SHACK SPL DIGITAL SOUND LEVEL METER Model 33-2055 with case

Vintage Analogue Sound Level Meter with Case Taiwan 40-120 dB Sper Scientific

Vintage RadioShack Analog Sound Level Meter Black Battery Operated with Case