Manufacturer: General Radio
Model Number: Type 1551-G
Serial #: 2864
Equipment Description: Sound Level Meter
Label Write-up:
Contains a built-in microphone. Indicates the sound pressure at the microphone in db as compared to a standard level. This unit came with an attached power supply, type 1262-B.
Dates Produced: 1960 - 1970's
Original Price: $395
The museum's inventory number: MRT-1152
Located at Museum in: Test Equipment Room