Patent for lathe specifically to cut parallel grooves...

yep.

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Patent for lathe specifically to cut parallel grooves...

Unread postby EmAtChapterV » Fri Oct 02, 2015 11:58 pm

I went digging around for Scully-related patents and accidentally came across this lathe designed specifically to cut precision parallel grooves like in roulette records... patented in 1986 by Mattel? Yes, the toy company. :? This would be intriguing to see in action.

https://www.google.com/patents/US4597700
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Re: Patent for lathe specifically to cut parallel grooves...

Unread postby Greg Reierson » Sat Oct 03, 2015 9:56 am

"The cow says, moo!"

It would be fun to gather all of those old toys.
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http://www.RareFormMastering.com
VMS70 :: SAL74B :: SX74
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