Found in a 1966 General Electric documentation, this dimmer should only be used with incandescent lamps. The Triac is according to the power of the lamp.
This audio mixer was found in an old American documentation. The potentiometers are 1M and the...
This circuit was found in a Popular Electronics from the 90s. The circuit uses TTL technology and...
Found in a 1970 publication by General Electric, this circuit makes use of a mobile...