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＜E-Book＞
The American electro magnetic telegraph : with the reports of Congress, and a description of all telegraphs known, employing electricity or galvanism / by Alfred Vail

Publisher	Philadelphia : Lea & Blanchard
Year	1845
Size	viii, [9]-208 p. : ill. ; 23 cm
Authors	*Vail, Alfred 1807-1859
Subjects	LCSH:Telegraph LCSH:Telegraph -- History  All Subject Search
Notes	"Illustrated by eighty-one wood engravings." Reproduction of original from Kress Library of Business and Economics, Harvard University Goldsmiths'-Kress no. 34159.24 Electronic reproduction Farmington Hills, Mich. Thomson Gale 2005 Available via the World Wide Web Access limited to licensing agreements s2005 miunns HTTP:URL=http://reo.nii.ac.jp/hss/2000000000220319

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