Speaker output radio (T1608E)

This 4-tube receiver was found in a Radio Electronics from 1949. It is an excellent performance super heterodyne receiver with good audio output.

Radiolocation antenna (CB6531E)
This antenna for the frequencies 146 or 440 MHz was found in a magazine 73 for Amateur Radio of...
High Voltage Electrolytic Capacitor Test (CB6885E)
This circuit, when connected to the 110 V power grid makes it possible to test capacitors with...
Limit Detector (CB5163E)
This two-input limit detector was found in an American 1980s documentation. The circuit can be...