Klinger Scientific Crooke’s Radiometer Set of 4
Set of four mica vanes, with one side of each blackened, in a partially exhausted glass bulb, with stand.
- Diameter: 3″
- Height: 5″
- Vanes Turn When Dark Sides Absorb Heat
Vanes on the rotating shaft are light on one side but dark on the other.
When the dark sides of the vanes absorb light, the vanes turn.