clifto wrote:

COLIN LAMB wrote:

Ok, finally found a single tube 100 kHz. crystal oscillator that uses a neon
bulb relaxation oscillator that is synchronized to achieve 10 kHz signals.


Phase Locked Lightbulbs?


Not really so bizarre; there are stories of certain computers with light-
sensitive neon bulbs in the logic that were affected by ceiling fluorescent
lighting when panels were removed from the racks...

Regards,

Michael