I can’t see it being of any practical use whatsoever. But if you want
to build your own, they have made the plans publicly available.
The thing with rotary dials is, you could never operate them fast
enough to get RSI. Or so I thought. But now I suppose somebody will
prove me wrong. ;)
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From Eli the Bearded@*@eli.users.panix.com to comp.misc on Fri Oct 10 05:31:09 2025
Foone made several dial based keyboards, amount other craziness[*]. Unfortunately the images went away with the twitter account. They are
listed here, and the URLs may be saved at internet archive: