Ernst Werner von Siemens, German electrical engineer and inventor, c 1880.
4 0 c m
 
33cm
actual image size: 25cm x 32cm

Ernst Werner von Siemens, German electrical engineer and inventor, c 1880.

© Science Museum / Science & Society Picture Library

Description

Engraving of Ernst Werner von Siemens (1816-1892) who co-invented an electroplating proces (1841) and also developed an electric dynamo. He was responsible for both the first telegraph line and the first electric railway in Germany and, together with his brother Sir William Siemens (1823-1883), developed a widely used proces of steelmaking. The standard scientific unit of electrical conductance, the Siemens (S), was named after him.
 

Image Ref.

10302613
 

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