Gun electromagnet,19th century

Numéro d’image : 11606612
Gun electromagnet,19th century
Gun electromagnet. Demonstration of the powerful gun magnet developed by Colonel William R. King (1839-1898) in the 1880s at Willett's Point,near New York City,USA. King developed this device while Commandant of the United States Engineers School. It was a large cannon wrapped with kilometres of electrical wiring. When electricity was run through the wiring,it produced an extremely powerful electromagnet. Here,four heavy cannonballs are suspended from it,and iron filings are being attracted to it (centre right). Artwork from the first volume (first period of 1888) of the French popular science weekly 'La Science Illustree'
Licence : Droits gérés
Crédit: Science Photo Library
Taille de l’image : 5742 px × 3661 px
Model Release : Non requis
Property Release : Non requis
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