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Latest revision as of 21:23, 14 January 2013
The telegraphs created by Samuel Morse beginning in the 1830s, which were the first to allow electrical transmission of information over long distances
Pages in category "Morse telegraphs"
The following 4 pages are in this category, out of 4 total.
Media in category "Morse telegraphs"
This category contains only the following file.
- Morse Telegraphs Mor...