History, theory, and practice of the electric telegraph
Edition: 3d ed., rev. and enl.
Series: Library of American civilization -- LAC 12680.
Publisher: Ticknor and Fields
Published: 1970
Place of publication: Boston
Language: eng
Format: Microform
Number of pages: 508
Subjects: Telegraph
Notes: Microfiche. Chicago : Library Resources, 1970. 1 microfiche ; 8 x 13 cm. (Library of American civilization ; LAC 12680)