William Sturgeon, English inventor, c 1830-1840.
4 0 c m
 
28cm
actual image size: 20cm x 32cm

William Sturgeon, English inventor, c 1830-1840.

© Science Museum / Science & Society Picture Library

Description

Engraving of William Sturgeon (1783-1850) who produced an improved electromagnet in 1821. This had a soft iron bar that was coated with shellac varnish to provide a more concentrated magnetic field. He also invented the first workable electric motor.
 

Image Ref.

10302778
 

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