Conjuring Credits

The Origins of Wonder

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Weighing the Cards

This effect appeared in Edmé-Gilles Guyot's Nouvelles Recreations Physiques et Mathematiques, 1769, p. 31 of the Hugard translation, as “To tell the cards by weight.”

It appeared again, made possible by a wide card in the deck, in R.P.'s Ein Spiel Karten, 1853, p. 30 of the Pieper translation, under the title of “The Scales.”