Harris's Balance Electrometer, 1834.

 
Harris's Balance Electrometer, 1834.
4 0 c m
 
26cm
actual image size: 18cm x 32cm

Description

Sir William Snow Harris (1791-1867) designed this instrument to compare the quantity of electricity imparted to a substance with its attractive power. In an experiment similar to Van Masenbroek's concerning magnetism a century before, he weighed the force of the electric attraction on a balance.

Image Details

Image Ref.
 
10279067

© Royal Institution / Science & Society Picture Library

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