The magician's own book, or The whole art of conjuring (1862)
Arnold, George, 1834-1865, Cahill, Frank · New York, Dick & Fitzgerald · leaf 198
OPTICS AND OPTICAL AMUSEMENTS. 181 per position, it will be advisable to cut out a piece of cardaccording to the preceding- pattern, and raising it on itsbase, B, look through the hole at a, when the object willappear in its proper proportions. … THE 3IAG7f mS. Among the numerous experiments with wiiich science as-tonishes and sometimes even strikes terror into the ignorant,there is none more calculated to produce this effect thanthat of displaying to the eye in absolute darkness thelegend or inscription upon a coin. To do this, take a…
Magic tricks
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