This circuit can generate time base signals from 5 to 1500 Hz. We find it in a documentation about old neon lamps.
This circuit with the ICL8068 was taken from an article in the February 1981 Radio Electronics magazine....
Epson SG 8018 Epson Crystal Programmable Oscillators Available from Mouser Electronics, these...
The circuit is suggested by Motorola in its 1990 Linear Databook but operating from the same...