this post was submitted on 09 Mar 2025
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Damn, that's interesting!

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The original post: /r/damnthatsinteresting by /u/oswald192 on 2025-03-08 23:47:16.

Original Title: this is 1 of 2 Last Cosgrave Code Siren/Gamewell Codewell sirens known left to exist today. this unit located in Jerome AZ, was installed around 1929 or 1932. These sirens had a unique coding mechanism that raised the choppers into the staters. this siren would go silent almost instantly.

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