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 443
drawnshutter of the frame. If the plate had been entirely exposed it would be dif-ficult to suspect anything. The apparatus for producing the composite photographs upon a black back-ground is very simple. A blackened piece of cardboard is provided with anaperture nearly corresponding to the place… … FKi. ti.—ANOTIIKU 1)Kc:aPITAT10N. sensitized plate, and at the moment of focusing, the position of the apparatusis 80 regulated as to make the imago of the subject appear through the aper-tures in the screen and in the proper position. ^Fhis process is the mostrapid and is the surest. No reflection…
Magic tricks
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