The American electro magnetic telegraph
Subtitle: with the reports of Congress, and a description of all telegraphs known, employing electricity or galvanism
By: by Alfred Vail ..
Series: Landmarks II, monographs
Publisher: Lea & Blanchard
Published: 1845
Place of publication: Philadelphia
Language: eng
Format: Microform
Number of pages: 208
Subjects: Telegraph -- History
Notes: Master microform held by: Readex

Includes bibliographical references

Microfiche. New Canaan, CT : Readex. microfiches. (Landmarks II, monographs)