Hi Al,
It might be useful to contact a clock repair person (that barrel appears to be too large to be a watch) to see if this can be repaired with a new mainstring. It can't hurt to ask and something like this is right up their ally. The repair is also a bit unique, which some clock repairers enjoy.

I can highly recommend Dave LaBounty here: https://abouttime-clockmaking.com/ . He repaired a Carriage clock of mine and did very excellent work. He was very knowledgeable in all the dealings I had with him. Just an idea.

73, Gordon KJ6IKT

At 09:13 AM 4/30/2022, Al Klase wrote:
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Mine seems to be missing the mainspring.  There's nothing inside the drum that is obviously hacked.  I am not a watch maker.

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Any help appreciated.  If I get this going, you can all listen for 300 WPM bursts from my GRC-109.

Al


-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net