Two SCR dimmer (CB7206E)

This circuit was found in a Motorola Manual of 1965. The circuit has neon lamps as trigger elements. Equivalent SCRs can be used.

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Flip Flop with Relays (CB16508E)
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Electronic Foosball Scoreboard (CB16393E)
This circuit was found in a 1981 documentation. As you can see, this is a well-designed automatic...
Pulse generator (CB8916E)
Found in a 90s Popular Electronics, this transistorized circuit generates pulses from 2 Hz to 50...