Magic; stage illusions and scientific diversions, including trick photography (1897)
Hopkins, Albert A. (Albert Allis), 1869-1939, Evans, Henry Ridgely, b. 1861 · London : Low · leaf 121
vibrated as if they were made to resound by invisible hands. 104 MAGIC: STAGE ILLUSIONS AND SCIENTIFIC DIVERSIONS. This effect was produced by fixing to tlie sounding board of each of themvertical rods of fir-wood wliich passed through the floor of the stage and ceiHngs,into the cellar of the… … .EOLIAN HARP EXPEUIMENT. to interrupt the vibrations between the instruments and the harps, the rodssupporting the latter were divided at two inches above the floor. Each harpcould be cut off from communication with the instrument below by turning itaround upon its axis. When Robert-Houdin…
Magic tricks
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