This circuit is from a Hughes documentation from 1968. The components are of the time and the RC network determines the operating frequency of the circuit.
Found in a 90s American documentation, this circuit uses an integrated from the time that is...
This circuit controls the brightness of incandescent lamps up to 400 W for the TIC226 series...
This decorative object was found in a Signetics documentation from the 60s. The circuit uses neon...