The telegraph cable. Historical view of the art of electro-magnetic telegraphing in connection with the telegraph cable, and its insulation by gutta percha. An argument addressed to the U.S. Senate Committee on patents, etc., by George Griscom ... in answer to the arguments filed on behalf of G.B. Simpson's claims.

Notes:

40 p. col. fold. pl. 23 1/2cm.

Data Provider:

University of Michigan. Libraries

Collection:

Philadelphia,: King & Baird, printers, and Ann Arbor, Michigan: University of Michigan Library

Subject Topic:

Telegraph cables and Electric wire, Insulated

Language:

eng

Rights:

http://quod.lib.umich.edu/t/text/accesspolicy.html

URL:

http://name.umdl.umich.edu/AJS3101.0001.001