Manufacturer: HeathKit
Model Number: EF-1
Serial #:
Equipment Description: Power Supply
Label Write-up:
Heath created educational kits to teach people how to use test equipment. EF-1 was "How to Understand and Use your Vacuum Tube Voltmeter" The manual walked through assembling of this chassis and then the use of the voltmeter in testing the chassis.
This power supply could produce 190 VDC and 140 VAC and was usable by any equipment that needed that type of power.
Dates Produced: 1966 - 1976
Original Price: $9
The museum's inventory number: MRT-465
Located at Museum in: Class Room