Conjuring Credits

The Origins of Wonder

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cards:clocking_the_deck [2020/03/02 22:07] – Coorected Ozanam date. stephenminchcards:clocking_the_deck [2020/03/03 21:30] (current) – link added denisbehr
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 Clocking the deck is one of the oldest recorded card amusements. One of Leonardo da Vinci's contemporaries, Luca Pacioli, described the idea as Problem 21 in his //Perugia// manuscript (a.k.a. //Vat. Lat. 3129//), 1478. Clocking the deck is one of the oldest recorded card amusements. One of Leonardo da Vinci's contemporaries, Luca Pacioli, described the idea as Problem 21 in his //Perugia// manuscript (a.k.a. //Vat. Lat. 3129//), 1478.
  
-It showed up in English in Thomas Johnson's //[[http://askalexander.org/display/5359/Dainty+conceits/10|Dainty Conceits]]//, 1630, p. 10. In French, it was Problem XXXII in Chapter I of Jacques Ozanam's //Récréations mathématiques et physiques//, 1694. And Reinhard Müller has found the system in German in //Natürliches Zauberbuch//, 1745, p. 230. These all rely on the idea of canceling tens in the counting.+It showed up in English in Thomas Johnson's //[[http://askalexander.org/display/5359/Dainty+conceits/10|Dainty Conceits]]//, 1630, p. 10. In French, it was Problem XXXII in Chapter I of Jacques Ozanam's //[[http://www.conjuringcredits.com/lib/tpl/credits/files/1694-ozanam-clocking.pdf|Récréations mathématiques et physiques]]//, 1694. (See [[https://books.google.fr/books?id=eiNRAAAAYAAJ&hl=de&pg=PA77#v=onepage&q&f=false|here]] for an English translation from 1708.) And Reinhard Müller has found the system in German in //Natürliches Zauberbuch//, 1745, p. 230. These all rely on the idea of canceling tens in the counting.
  
 Friedrich Wilhelm Conradi gives an elaboration of the feat in his book //Magisches Allerlei//, 1903, p.102. He adds up the value and the suit at the same time, in two columns of numbers. He then expands the effect, letting a spectator call out any number and the performer names the card at that number. Friedrich Wilhelm Conradi gives an elaboration of the feat in his book //Magisches Allerlei//, 1903, p.102. He adds up the value and the suit at the same time, in two columns of numbers. He then expands the effect, letting a spectator call out any number and the performer names the card at that number.