Tall Radiometer On Brass Stand
Regular price £160.00
Tall radiometer on a brass stand.
Sir William Crookes radiometer (1873) consists of four vanes suspended inside a glass bulb. Inside the bulb, there is a vacuum. When you shine a light on the vanes in the radiometer they spin -- in bright sunlight they can spin at several thousand rotations per minute
H33 x W10 x D10cm