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The American Electro Magnetic Telegraph: With the Reports of Congress, and a Description of All Telegraphs Known, Employing Electricity or Galvanism
$1.99
The American Electro Magnetic Telegraph: With the Reports of Congress, and a Description of All Telegraphs Known, Employing Electricity or Galvanism
$1.99
Early History of the Electro-magnetic Telegraph: From Letters and Journals of Alfred Vail
5.0
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Free
Description of the American Electro Magnetic Telegraph: Now in Operation Between the Cities of Washington and Baltimore. Illustrated by Fourteen Wood Engravings
5.0
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Free
Description of the American electro-magnetic telegraph; now in operation between ... Washington and Baltimore etc
Free
The American Electro Magnetic Telegraph: With the Reports of Congress, and a Description of All Telegraphs Known, Employing Electricity Or Galvanism. Illustrated by Eighty-one Wood Engravings
Free