Danish physicist (1777-1851), he discovered the diversion of a magnetic needle by electric current, becoming the founder of the rule of electromagnetism. LS in German, signed “H. C. Oersted,” one page, 5.5 x 2.75, April 18, 1843. In full (translated): “Every well done examination to a limited object opens for us a glance into the everlasting laws of the infinite to all.” Matted with an engraved portrait of Oersted. In fine condition. Pre-certified PSA/DNA.
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