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Electro-magnetism : History of Davenport's invention of the application of electro-magnetism to machinery ; with remarks on the same from the American journal of science and arts / by Professor Silliman ; also, extracts from other public journals, and information on electricity, galvanism, eletro-magnetism, & c. By Mrs. Somerville.
Davenport, Thomas, 1802-1851.
Electric machinery -- History.
Silliman, Benjamin, 1779-1864.
Somerville, Mary, 1780-1872.
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