Found in a 1942 publication, this circuit transmits the signal from a record player to a nearby receiver. Indicated for the medium wave range, the circuit has a range of a few tens of meters. The supply voltages are indicated.

Found in a 1942 publication, this circuit transmits the signal from a record player to a nearby receiver. Indicated for the medium wave range, the circuit has a range of a few tens of meters. The supply voltages are indicated.