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File:Sturgeon electromagnet.png
来自维基百科,自由的百科全书
Found in articles
File:Sturgeon electromagnet.png
Description
Sturgeon
electromagnet
.
png
English: Drawing of the first
electromagnet
, invented in 1824 by British scientist William
Sturgeon
. This was his
File:Joseph Henry electromagnet.png
experiments on
electromagnets
around 1830, published in Scientific American magazine, 1880. Although William
Sturgeon
built the first
electromagnet
in 1824,