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Acronyms that contain the term semaphore line
What does semaphore line mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: semaphore line.
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What does semaphore line mean?
- Semaphore line
- A semaphore telegraph, optical telegraph, shutter telegraph chain, Chappe telegraph, or Napoleonic semaphore is a system of conveying information by means of visual signals, using towers with pivoting shutters, also known as blades or paddles. Information is encoded by the position of the mechanical elements; it is read when the shutter is in a fixed position. The system was invented in 1792 in France by Claude Chappe, and was popular in the late 18th to early 19th century. Semaphore lines were a precursor of the electrical telegraph. They were far faster than post riders for bringing a message over long distances, but far more expensive and less private than the electrical telegraph lines which would replace them. The distance that an optical telegraph can bridge is limited by geography and weather; thus, in practical use, most optical telegraphs used lines of relay stations to bridge longer distances. Modern derivatives of the semaphore system include flag semaphore and the heliograph.
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"semaphore line." Abbreviations.com. STANDS4 LLC, 2024. Web. 27 Apr. 2024. <https://www.abbreviations.com/semaphore%20line>.
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