Small Radiometer On Brass Stand

Regular price £140.00

Tax included.

Small 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

H23 x D10 x W10cm