Antique Analog Sound Level Meter

Roller-Smith is a New York based company and founded in 1909. They have focused on electric measurement and control instruments. The manufacturing plant was located in Bethlehem, PA (Pennsylvania).

This is a very rare analog Decibel Meter, Sound Level Meter or VU meter of the company.
It has a solid glass window and thick phenol body which all in excellent condition. No any crack or damage. Amazing collectible item for sound instrument collectors or antique equipment lovers.

TYPE DDH
FS = 199 UA DC N.38551
Product serial number: 70592357 - K.S.&S.CO SC-D-62831

Diameter: 6.5 cm
Height: 6 cm
Weight: 300 gr