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The Sundial Cannon of Åtvidaberg (2017)

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48 points choult | 1 comments | 15 Oct 24 18:28 UTC | HN request time: 0.193s | source
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PlunderBunny ◴[15 Oct 24 19:56 UTC] No.41852471[source]▶
Why would a cannon be used instead of, say, striking a bell? Does the sound travel better/further, or was it a display of wealth/status?
replies(1): >>41853201 #
1. p_l ◴[15 Oct 24 21:14 UTC] No.41853201[source]▶
The sound is hard to mistake for anything else and travels better. Such cannons were used for synchronization of clocks on ships for navigation, among other uses.