An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 166
iscovering a new principle, such as that of electromag-netic induction, and building a commercially efficient machine,such as the electric generator, which utilizes the principle. Ittakes a genius to develop a new principle, but it often requiresyears of patient experimenting by a multitude of… … Joseph Henry (1799-1878). An American physicist, born in Albany, New York; was for six years a school-master at Albany Academy, for fourteen years a professor at Princeton, andfor the rest of his life the head of the Smithsonian Institution in Washington.Made the first careful study of the…
Electricity · Magnetism
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