Stop in for a cup of coffee

toolmanmike said
The old neon bulb?

I believe so, have a few of the lights on other testers, just a tube with a capacitor board and a bulb, usually the caps are shot.

This is the spedo tester I want just to much have to keep looking prob find it on CL I bet.
antique speedometer parts, and two testers with one table and motor | eBay