National Power Supply Model 686-W



National Power Supply Model 686-W


Manufacturer: National

Model Number: 686-W

Serial #:

Equipment Description: Power Supply


Label Write-up:
Goes with the National HRO-W receiver. Used in WW II. Between the models 697-W and the 686-W power supplies, one is the 6 V and one is the 12 V.


Dates Produced: 1945

Original Price:

The museum's inventory number: MRT-301

Located at Museum in: Ham Display Room