Category:Telegraph transmission technology: Difference between revisions
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The devices and techniques used to transmit telegraph signals, such as coaxial cables | |||
[[Category:Telegraphy|{{PAGENAME}}]] |
Latest revision as of 21:27, 14 January 2013
The devices and techniques used to transmit telegraph signals, such as coaxial cables
Pages in category "Telegraph transmission technology"
The following 2 pages are in this category, out of 2 total.
Media in category "Telegraph transmission technology"
This category contains only the following file.
- Fig05-SiemensKarolusFacsimileSystem1927 0622.jpg 1,731 × 2,170; 584 KB