h a l f b a k e r yReplace "light" with "sausages" and this may work...
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This is a comms system based on a pier-to-pier
data transport layer - i.e. semaphore flags being
waved at the end of a pier, passing messages to
the next pier along the coast.
Clacks Towers
https://discworld.fandom.com/wiki/Clacks
now with Docks Towers P2P add-on! [Sgt Teacup, Sep 24 2019]
Semaphore Telegraph
https://en.wikipedi...Semaphore_telegraph
Been there, done that. Superseded by electrical telegraph in the mid 19th century. [neutrinos_shadow, Sep 25 2019]
[link]
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Baked and WKTE... in Discworld <link>. Sounds like a coastal adjunct to the system, though, so [+] |
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Yes indeed, semaphore systems used to be widespread and were
used, e.g. during the Napoleonic wars to convey military
communications around the country. But as you point out, this is an
offshore coastal implementation, and I should also point out for fans
of communications technology, that piers are natural waveguides. |
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Haha. We saw what you did there. There's a special place in Hell for people like you... |
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