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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
Historical Society of Pennsylvania - Closed Stacks Wxg*.21
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- Format:
- Book
- Author/Creator:
- Griscom, George.
- Language:
- English
- Subjects (All):
- Telegraph cables.
- Electric wire, Insulated.
- Physical Description:
- 40 p., [1] folded leaf of plates : col. ill. ; 23 cm.
- Place of Publication:
- Philadelphia : King & Baird, 1867.
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