Manufacturer: Daven
Model Number: SPEC 3147-B
Serial #: J-77486
Equipment Description: Attenuator
Label Write-up:
Also labeled B-560582. Ten step dial with 0.1 ohm / step. Used by phone company or to balance lines. Probably used in a lab to prototype circuits. This adds resistance to a circuit and acts like a volume control.
The Daven Company was from Newark, NJ
Dates Produced: 1960's
Original Price:
The museum's inventory number: MRT-1132
Located at Museum in: Test Equipment Room