The electro-magnetic telegraph : with an historical account of its rise, progress, and present condition : also, practical suggestions in regard to insulation, and protection from the effects of lightning : together with an appendix, containing several important telegraphic decisions and laws /
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| Author / Creator: | Turnbull, Laurence, 1821-1900. |
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| Edition: | 2nd ed., rev. and improved. |
| Imprint: | Philadelphia [Pa.] : A. Hart, 1853 (T.K. and P.G. Collins) |
| Description: | 1 online resource (viii, [17]-264 p., [2] leaves of plates) : ill. |
| Language: | English |
| Subject: | |
| Format: | E-Resource Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/8912482 |