Bath control (CB21373E)

This hydromassage circuit was found in a 1967 General Electric publication. The SCR is according to the power of the heating element.

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Fake alarm (CB24990E)
The flashing LEDs in this circuit simulate a working alarm and can serve as a deterrent to a...
Oscillator (CB6000E)
This oscillator or clock generator generates rectangular signals and frequencies up to 100 kHz....
High Power Inverter (CB16531E)
The critical component of this project from a 1988 publication is the transformer. The final power...