New Solder-less Radio Kit With interchangeable Diode and Cat Whisker

Description

This is a New Solder-less Radio Assembly With interchangeable Diode and Cat Whisker Kit
to evaluate various frequencies you will create as you interchange included components.
Created by Trevor Smith in England. New and never opened and all you have to do is screw in
various resistors to change its frequency. The resistors supplied are  470uH, 220uH, 100uH, and
4.7uH. A nice simple kit to experiment with various frequency reception.