Instrument Illumination

[PGAHOWELLS@domain.elided]

Hi
Well I checked my spare Rheostat. Grrrrrr It had off and on about halfway
round. On looking closle at it i realised it was a used one, probably replaced
for not working. I thought what the hell I will take it apart.
Now inside it is absurdly complicated. This is because unlike the typical
wound wire pot from an old transistor amp, this has printed circuits. The
circuits are printed greek key pattern