3 5 c m
40cm
actual image size: 32cm x 27cm
Description
Four of the original experimental spinthariscopes made by Sir William Crookes (1832-1919) with the radium supplied to him by Madame Marie Curie. A spinthariscope is a simple instrument that visually shows individual alpha particles by means of the scintillations they produce when hitting a screen of a suitable phosphorescent material.
Image Details
Image Ref.
10326380
© Science Museum / Science & Society Picture Library