technics, electrical engineering, electric motor of Moritz Hermann von Jacobi, 1838, ARTIST'S COPYRIGHT HAS NOT TO BE CLEARED


Artist's Copyright has not to be cleared


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Keywords: century, motorelectric, motorselectric, powerelectricityengineengineshistorichistoricalphysicssciencesciences19th, technicselectricalengineeringelectricmotormoritzhermannjacobiwoodengraving, technicselectricalengineeringelectricmotormoritzhermannjacobiwoodengraving1830sgermanyhermanhermannprussiaelectric