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cards:card_location_by_compass [2013/03/28 15:38] – tag added denisbehr | cards:card_location_by_compass [2014/02/15 23:52] – tylerwilson | ||
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====== Card Location by Compass ====== | ====== Card Location by Compass ====== | ||
- | See Item 18, page 21, in //The Notebook//, edited by Will Houstoun, written around 1800. This describes | + | In untitled notebook from c. 1800, a trick is described where a compass needle stops on a chosen card in a circle. The method is a subtle bend in the support pin, which causes the needle to settle by gravity in a predetermined direction. |
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