This simple battery-powered receiver was found in documentation from 1945. Listening is done through headphones and the coil will determine the tuned frequency range, indicating the medium wave range. Headphone must be 2000 ohms or greater.

This simple battery-powered receiver was found in documentation from 1945. Listening is done through headphones and the coil will determine the tuned frequency range, indicating the medium wave range. Headphone must be 2000 ohms or greater.