Edward Weston, English-born inventor, early 20th century.

 
Edward Weston, English-born inventor, early 20th century.
4 0 c m
 
31cm
actual image size: 23cm x 32cm

Description

Portrait of Edward Weston (1850-1936), naturalized American inventor. Weston was noted for his contribution to the technology of electrical measurements, including the invention of a moving -coil voltmeter and the Weston standard cell invented in 1892, based on mercury and cadmium. This replaced the Clark cell as a voltage reference source, and the Weston cell became the recognized standard at the International Conference on Electrical Units and Standards in London in 1908.

Image Details

Image Ref.
 
10303221

© Science Museum / Science & Society Picture Library

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