Flasher CA3130 (CB22004E)

Found in an English documentation from 1977, this flasher or pulser circuit drives an LED. The frequency depends on C2.

Pulse Coincidence Detector (CB13278E)
When two pulses reach the inputs of the circuit simultaneously, the PUTs fire triggering the lamp...
Low distortion sinusoidal oscillator (CB8642E)
Found in a 90s Linear Technology documentation, this circuit uses an operating system of the time....
Transistorized Voltmeter (CB18922E)
This 4-transistor voltmeter was found in old European documentation but uses common...