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Chance Inner circle 1385 Posts 
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MuleePete Loyal user 272 Posts
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Very interesting, especialy inthe slow motion.
Thank you for sharing. Pete |
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Ray Tupper. Special user NG16. 749 Posts
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When I saw this I thought it would just be like a morticer.
That though is ingenious! Ray.
What do we want?
A cure for tourettes! When do we want it? C*nt! |
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rudy-ray New user 62 Posts
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Dang, that's so cool!!
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abrell Loyal user Remscheid, Germany 284 Posts
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This special tooll that drills square holes was invented by Harry James Watt in 1914. The US patent number is 1241175. The special curve of the tool is called a rouleaux triangle.
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Bill Hegbli Eternal Order Fort Wayne, Indiana 22797 Posts
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Who every said you cannot put a square peg in a round hole. That is so cool!
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magic patagonia Special user 570 Posts
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Wow...magic is everywere...
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wandmgc8 Regular user Tennessee 140 Posts
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Shop magic indeed! Thanks for sharing that. The off-set rotation of the bit is a little scary-looking though. I may try to get one.
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ldl1017 Elite user 475 Posts
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Saw Roy Underhill do this in his woodwrights shop using hand tools. He did it in wood, but the concepts were identical.
“I am, as I've said, merely competent. But in an age of incompetence, that makes me extraordinary.”
Billy Joel |
curtgunz Special user Only 99% of users have more than 784 Posts
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Quote:
On 2011-10-04 12:23, abrell wrote: That is great Abrell. Usually people tell you that "The 'Disappearing Grain of Dust' was first discussed in Genii Issue 479 page 124. It was first performed by Jack Perkinson at Magic Bill's on Coney Island back in 1928." I've never known anyone who could to that with shop tools. 
You sir, are a true connoisseur.
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thegreatnippulini Inner circle of Hell because I've made 2582 Posts
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That is a standard mortising process geared down for metals. You can get a cheap wood working version at HF, but forget trying to use it on metals. Interesting note: usually the mortise bit is run under a jet of coolant to keep it from overheating. Square peg in a round hole indeed!
The Great Nippulini: body piercer, Guinness World Record holder, blacksmith and man with The World's Strongest Nipples! Does the WORLD care? We shall see...
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Posted: Oct 3, 2011 05:27 pm 