Conjuring Credits

The Origins of Wonder

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Chinese Rice Bowls

Though the trick is reported to be of oriental origin, Frank Ducrot is the inventor of the common method using a clear disk. He devised it around the turn of the twentieth century. Al Baker improved the method with a rubber cover. Alexander Herrmann invented the double-walled “Brahman Bowls”. Since Herrmann died in 1896, it is not certain whether the Brahman Bowls preceded Ducrot's.