Crookes' experimental spinthariscopes, 1902-1903.
 
 

Crookes' experimental spinthariscopes, 1902-1903.

© Science Museum / Science & Society Picture Library

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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 Ref.
10326380
 
 

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