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 504
with silk or cotton, and one of them must be connected with the zinc plate,and the other with the carbon plate ofthe battery, which has binding screwsaffixed for this purpose. For the pur-pose of instantly completing or discon-necting the electric circuit, the wires areFig. 303. affixed to the… … Fig. 302.
Magic tricks
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