ELECTRICITY Oersted shows his friends the deviation of the magnetic needle under the influence of an electric current; 1820. Hans Christian Ørsted (1777-1851); Danish physicist and chemist; has been instrumental in the understanding of electromagnetism. Chromos; Liebig figurine series "Electricity"; n. 5; Italy in 1907.
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Creative#:
TOP19281934
Source:
達志影像
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RM
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