Modern magic. : A practical treatise on the art of conjuring. (1885)
Hoffmann, Professor, 1839-1919, Hawkins, Arthur, ca. 1940 · London ; New York : G. Routledge and Sons · leaf 163
though simplepiece of apparatus, constructed as follows :—A piece of tin is cut tothe exact size and shape of a card j out of this, at one of the corners,is cut an oblong piece, measuring about one inch by five-eighths.This piece is attached by a spring hinge, a a, on one side of it, to thelarger…
Magic tricks
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