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 468
courses taken by the rays of light are determined by the law that theangle of incidence is equal to the angle of reflection. In the diagram the ravsof light are traced in their course from the subject to the mirror, and backand forth, giving a good idea of the relation of the images to the subject… … IMAGES OF A FULL-LENGTH PORTRAIT. 454 MAGIC: STAGE ILLUSIONS AND SCIENTIFIC DIVERSIONS. PINHOLE CAMERA. We illustrate in the cut a camera for photography in which the ne plus■ultra of simplicity may fairly be said to be attained. It is a little tin box twoinches in diameter and three-quarters deep…
Magic tricks
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