Category:Telegraphy
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A system of telecommunication for the transmission of graphic symbols, usually letter of numerals, by the use of a signal code. Types include electrical, radio, and wireless.
For a history on the telegraph, see the Telegraph article.
Subcategories
- Electrical telegraphy
- Image telegraphy
- Morse telegraphs
- Optical telegraphy
- Radio telegraphy
- Semaphore telegraphs
- Submarine telegraphy
- Telegraph applications
- Telegraph transmission speed
- Telegraph transmission technology
- Wireless telegraphy
Subcategories
This category has the following 11 subcategories, out of 11 total.
EIMO |
RST |
T cont.W |
Pages in category "Telegraphy"
The following 94 pages are in this category, out of 94 total.
Media in category "Telegraphy"
The following 12 files are in this category, out of 12 total.
