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Signal lamp: Revision history


For any version listed below, click on its date to view it. For more help, see Help:Page history and Help:Edit summary. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary

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24 March 2024

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18 May 2023

  • curprev 18:1818:18, 18 May 2023 Macchess talk contribs 8,142 bytes −8 Removed description of signal lamps as a semaphore system. Semaphore systems communicate by changing physical configurations, typically arms mounted to a post, or human arms. undo

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