In fact, the indicated receiver has 3 tubes and a power supply with a double diode. The circuit is from a Radio Craft from 1940 and can also be powered by batteries. It is, therefore, a portable receiver for the medium wave band.

In fact, the indicated receiver has 3 tubes and a power supply with a double diode. The circuit is from a Radio Craft from 1940 and can also be powered by batteries. It is, therefore, a portable receiver for the medium wave band.