Lamp control (CB21962E)

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

12 V Flasher (CB12723E)
In the figure we show an interesting application for integrated circuit 4001. This circuit causes a...
Six Transistor Superheterodyne Receiver (CB964E)
This sensitive MW receiver was found in a publication of year 1958., The circuit uses germanium...
Variable Capacitor with Transistors (CB6448E)
We found this circuit in a 1966 US documentation. It simulates a variable capacitor that can vary...