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 154
Fig. 46. … 132 MODERN MAGIC. extent of about an eighth of an inch, but is prevented doing so, inthe normal condition of the apparatus, by the spring c, which isscrewed to the bottom of A, its free end pressing against the side ofthe plinth. If, however, the spring be pressed down from above, soas to be below…
Magic tricks
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