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. By Alfred Vail.

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Main Author
Vail, Alfred, 1807-1859.
Language(s)
English
Published
Philadelphia, Lea & Blanchard, 1845.
Subjects
Telegraph > History
History
Physical Description
viii, [9]-208p. diagrs. 23cm.
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