Communiqués par Alfred Vail

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Cover for Alfred Vail · Description of the American Electro Magnetic Telegraph: Now in Operation Between the Cities of Washington and Baltimore. (Paperback Book) (2012)

Description of the American Elec... (2012)

Cover for Alfred Vail · The American Electro-magnetic Telegraph: with the Reports of Congress, and a Description of All the Telegraphs Known, Employing Electricity or Galvanism. (Paperback Book) (2012)

The American Electro-magnetic Te... (2012)

Cover for Alfred Vail · Early History of the Electro-magnetic Telegraph from Letters and Journals of Alfred Vail (Paperback Book) (2008)

Early History of the Electro-mag... (2008)