Round-about Rambles in Lands of Fact and Fancy by Frank Richard Stockton
page 27 of 313 (08%)
page 27 of 313 (08%)
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But there are much simpler methods by which the vagaries of light may be made amusing, and among the best of these are what are called "Chinese shadows." These require a little ingenuity, but they are certainly simple enough. They consist of nothing but a card or paper, upon which the lights of the picture intended to be represented are cut out. When this is held between a candle and a wall, a startling shadow-image may be produced, which one would not imagine to have any connection with the card, unless he had studied the manner in which said card was cut. Here is a picture of a company amusing themselves with these cards. No one would suppose that the card which the young man is holding in his hand bore the least resemblance to a lion's head, but there is no mistaking the shadow on the wall. [Illustration] The most wonderful public exhibitions of optical illusions have been those in which a real ghost or spectre apparently moves across the stage of a theatre. This has frequently been done in late years, both in this country and Europe. The audiences were perfectly amazed to see a spirit suddenly appear, walk about the stage, and act like a regular ghost, who did not seem to be in the least disturbed when an actor fired a pistol at him, or ran him through with a sword. The method of producing this illusion is well shown in the accompanying picture. A large plate of glass is placed in front of the stage so that the audience does not perceive it. The edges of it must be concealed by curtains, which are not shown in the picture. An actor, dressed as a ghost, walks in front of the stage below its level, where he is not seen by the audience, and a strong electric light being thrown upon him, his reflected image appears to the spectator as if it were |
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