Very cool lamp Rabbit.

The disc meters are certainly more interesting than a electronic meter anyway I reckon mxslick.

Try the blue or violet leds. They are fascinating in the dark for backlights.

I havent had time yet for a meter lamp but I put some blue leds in a 24 hour impulse clock which look very cool in my computer room. [Linked Image]

The product of rotation, excitation and flux produces electricty.