reference needed

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Don Hendrix
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reference needed

Postby Don Hendrix » September 24th, 2010, 10:21 pm

I am looking for a reference to a trick which is probably an old mathematical trick or, maybe, just a con. Forty pennies are arranged on a table in a square with each side consisting of groups of one, two, three, and four. The spectator is allowed to add one penny at any spot, the magician moves several coins around and shows that each side still consists of 10 coins. This is repeated several times. It seems to me that Martin Gardner has written about this but I am, so far, unable to locate it. Thanks for any help.

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Richard Kaufman
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Re: reference needed

Postby Richard Kaufman » September 24th, 2010, 10:45 pm

You'll find it, and its history, in my book Knack Magic Tricks.
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Edwin Corrie
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Re: reference needed

Postby Edwin Corrie » September 25th, 2010, 10:46 am

There's a version in Richard Neve's "Merry Companion" (1716), but in Michael Weber's "Life Savers" (also referenced in "Knack Magic Tricks") it's stated that the principle for this has been traced back to Van Etten's "Mathematicall Recreations" (1633). It probably goes even further back because Van Etten's book first appeared in French in 1624 and was itself mainly a compilation from even earlier sources.

Philippe Billot
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Re: reference needed

Postby Philippe Billot » September 25th, 2010, 12:50 pm

Gary Plants has a variante in his Lecture Notes 2004 entitled Casino Royal-A.

For those who can read french, there is a translation in Imagik no. 28, Jully 2000 entitled Casino royal.

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John M. Dale
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Re: reference needed

Postby John M. Dale » September 25th, 2010, 4:29 pm

"Perfect-ten Paper Clip Paradox" in Paul Harris's The Art of Astonishment, Book 3, is the same gambit routined as a series of vanishes. No history or crediting though.

JMD

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Don Hendrix
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Re: reference needed

Postby Don Hendrix » September 27th, 2010, 6:47 pm

Thank you all for the information! Fortunately. I have most of the books you mentioned.


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