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Extracts from the Proceedings of the Board of Regents of the Smithsonian Institution, in relation to the electro-magnetic telegraph

Bibliographic Details
Corporate Authors: Smithsonian Institution., Sabin Americana, 1500-1926
Other Authors: Henry, Joseph, 1797-1878., Morse, Samuel Finley Breese, 1791-1872.
Format: Online Book
Published: [Washington, D.C. : Smithsonian Institution, 1861]
Online Access:Full text online
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