General Radio Precision Capacitor Model Type 722-D

Manufacturer: General Radio

Model Number: Type 722-D

Serial #: 6854

Equipment Description: Precision Capacitor

Label Write-up:
This is a stable and precise variable air capacitor intended for use as a standard of capacitors. It is widely used in AC bridges both as a built-in standard and as an external standard for substitution measurements. This serial number is 115 and 1150 picofarads high and low range.

Dates Produced: 1959

Original Price: $235

The museum's inventory number: MRT-1171

Located at Museum in: Test Equipment Room