This benchtop equipment was found in Radio Electronics magazine from April 1960. The two double valve circuit is powered from mains power.
You can measure capacitances across a large range of values using the AC Power line frequency as...
This circuit had its assembly described in a Radio Electronics from March 1963. The circuit uses 2...
This transmitter for the 2-meter range with a power of 1.5 W was found in a magazine 73 for radio...