Hickok Tube Tester Model 539B

Manufacturer: Hickok

Model Number: 539B

Serial #:

Equipment Description: Tube Tester

Label Write-up:
Measures mutual conductance under simulated operating conditions. Tests air line ruggedized tubes, hearing aid tubes, miniature and sub-miniature tubes, in addition to all common tube types. This model was directed to commercial users.

Dates Produced: 1955

Original Price: $290

The museum's inventory number: MRT-611

Located at Museum in: Class Room