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Start Over You searched for: Subjects Henry, Joseph, 1797-1878. Remove constraint Subjects: Henry, Joseph, 1797-1878. Titles An historical sketch of Henry's contribution to the electro-magnetic telegraph: with an account of the origin and development of Prof. Morse's invention Remove constraint Titles: An historical sketch of Henry's contribution to the electro-magnetic telegraph: with an account of the origin and development of Prof. Morse's invention

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