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The American electro-magnetic telegraph with the reports of Congress, and a description of all the telegraphs known, employing electricity or galvanism /

Bibliographic Details
Main Author: Vail, Alfred, 1807-1859.
Corporate Author: Sabin Americana, 1500-1926
Format: Online Book
Language:English
Published: Philadelphia : Lea & Blanchard, 1847.
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Online Access:Full text online
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