XTAL oscillator with fine tuning (CB22403E)

We found this circuit in an old English documentation. The integrated circuit is of a specific type of the time.

5 to 200 V Flasher (CB25426E)
Using the LM3909 this circuit was found in the January 1992 issue of Radio Electronics magazine....
Alternating Signals Operational Amplifier (CB19324E)
This circuit was obtained in an old European documentation. The integrated circuit used is...
External Trigger Monostable 4001 (CB16311E)
The circuit shown in the figure differs from the previous one (CIR8909) in that it can be...