This experimental receiver for long, medium or short waves was found in a documentation from 1942. The headphone is of high impedance and the range depends on the coil. Good antenna must be used, and the power supply is not indicated.

This experimental receiver for long, medium or short waves was found in a documentation from 1942. The headphone is of high impedance and the range depends on the coil. Good antenna must be used, and the power supply is not indicated.