States General Radio Co., before they switched to the GR logo.

Made in Cambridge, Massachusetts, USA

d'Arsonval movement milliwatts/decibels meter

Lead connectors both have original screw tops

10-1/2" x 7-1/4" x 5"

This piece of vintage tech weighs about 8 pounds

Item is untested as we do not have equipment to test.

Free local pickup is available if you are able to travel through the Santa Clarita Valley, California.

Used, as-is.  Untested.  Worn wood and metal, scratches, small cracks in wood near nail holes.  No longer has bumper feet on backside.  See attached pictures.