Small Radiometer On Brass Stand
Regular price £140.00
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