A friend of mine passed along a couple of photos of something that looks
like some sort of jig, perhaps turntable related. He hasn't seen it or used
it in so long that he can't remember what it is. Any ideas?

http://webpages.charter.net/mrfixite...y-device-1.jpg
http://webpages.charter.net/mrfixite...y-device-2.jpg

Thanks for your reply.
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David Farber
Los Osos, CA