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by Jon Racherbaumer


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Clockwork by Jon Racherbaumer

On the Clock Effect

The clock effect/principle is a variant of the automatic placement principle. It allows you to force a card. The procedure typically is that the spectator freely selects any full hour on the clock (1-12). Cards are then dealt into a clock pattern where one card takes the place of each hour. The card at the spectator's freely chosen hour is the force card, which for example could have been predicted beforehand.

The Clock Effect using playing cards originated at the turn of the century. Potter's Index subsequently listed thirty-eight (38) references—one of the earliest being Hercat's More Conjuring (1912). However, Fred G. Taylor’s “Crazy Clocks” in Pallbearers Review (Volume 3 - Number 3: January 1968) was the method that piqued Jon's interest.

Jon describes in this ebook a number of the most important variants of this effect followed by a partial chronology of the effect.

  • Mystic Twelve Recall (Audley Walsh)
  • Zodiac Card Mystery (Eddie Fields)
  • Technicolor Hour (Jon Racherbaumer)
  • Card Chronometry (Jon Racherbaumer)
  • Synchronicity (Jon Racherbaumer)
  • A Few Seconds on Stay Stack (Jon Racherbaumer)
  • Speaking of the Clock (Marvin A. Johnson)
  • Prediction Surprise and Clock Combination (Edward Marlo)
  • Predetermined Hour (Edward Marlo)
  • Impromptu Predetermined Hour (Edward Marlo)
  • Easy Determined Hour (William Zavis)
  • Tell-Tale Clocks (Roy Walton)
  • The Magic Clock (Roy Walton)
  • Time For Si Stebbins (Edward Marlo)
  • Time Zones (Eward Marlo)
  • Stolen Hours (Edward Marlo)

2nd edition 2002; 32 pages.
word count: 12398 which is equivalent to 49 standard pages of text