Coulomb torsion balance, 1872.
4 0 c m
actual image size: 25cm x 32cm

Coulomb torsion balance, 1872.

© Science Museum / Science & Society Picture Library


This delicate instrument was originally developed in the 1780s by the French physicist Charles de Coulomb (1736-1806). Coulomb used it to determine the law of force between electric charges. Made by Elliott Bros

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