William Duddell English Physicist And Engineer Died 1917 - July 1 in History | This Day Story

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July 1, 1872

William Duddell, English physicist and engineer (died 1917)

William Duddell, English physicist and engineer (died 1917)

William Duddell

William Du Bois Duddell was an English physicist and electrical engineer. His inventions include the moving coil oscillograph, as well as the thermo-ammeter and thermo-galvanometer.

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