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Alfred Vail

1 free book by Alfred Vail, free to read online. Chapter 1 of any book is free, no account needed.

Writes aboutTelegraph -- History
Cover of The American Electro Magnetic Telegraph With the Reports of Congress, and a Description of All Telegraphs Known, Employing Electricity or Galvanism

The American Electro Magnetic Telegraph With the Reports of Congress, and a Description of All Telegraphs Known, Employing Electricity or Galvanism

Alfred Vail