Lamp control (CB21962E)

This 60's shield or driver employs germanium transistors. The circuit is from a 1960 Gernsback documentation.

Pink and White Noise Generator (CB26193E)
We found this circuit in the Electronics Experimenter Handbook 1983 edition. The circuit uses...
LA1905 Power supply (CB24572E)
This little-known regulator today was found in a Radio Electronics circuit from December 1978. The...
Speed control using the 555 (CB7523E)
This circuit was obtained in a 1982 Maplin magazine. The circuit can be applied to equivalent power...