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"Sine ball" in a project
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Posted to rec.crafts.metalworking
Jim Stewart
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"Sine ball" in a project
wrote:
I figured since this uses a ball-bearing to generate sine waves
(mechanisms like that have been seen here now and then), this would
have some interest:
http://www.tatjavanvark.nl/harmonium/
It has some resemblance to the guidance
computer in an old Pershing I missile.
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