We found this simple toy organ circuit in the February 1968 issue of Radio Electronics magazine. The transistors were common at the time and the transformer was from a transistor radio output.
This amplifier circuit with gain between 0 and 96 was found in the December 1983 issue of Radio...
This dimmer for incandescent lamps is one of the many found in this section. This was obtained...
This is the receiver for the previous circuit we found in the December 1992 Radio Electronics...