Gilbert light experiments for boys . opens doors, and out comes assistant. To the audience, the cabinet appearsentirely empty except for a post, C, witha strong light at the top. There are,however, two hinged mirrors, ab andab, Fig. 94, at an angle of 60° and thepost covers the angle. The sides andback are exactly alike and the imagesof the sides in the mirrors appear to theaudience to be the back. The man,lady, and as- Fig. 92. Cabinet closedFrom Hoffmans Modern Magic sistant, ofcourse, hidebehind the mirrors. Members of theaudience stand behind and beside thecabinet all through the performan
Gilbert light experiments for boys . opens doors, and out comes assistant. To the audience, the cabinet appearsentirely empty except for a post, C, witha strong light at the top. There are,however, two hinged mirrors, ab andab, Fig. 94, at an angle of 60° and thepost covers the angle. The sides andback are exactly alike and the imagesof the sides in the mirrors appear to theaudience to be the back. The man,lady, and as- Fig. 92. Cabinet closedFrom Hoffmans Modern Magic sistant, ofcourse, hidebehind the mirrors. Members of theaudience stand behind and beside thecabinet all through the assistant swings the mirrorsagainst the sides before he comes outthe last time, and then members of theaudience are asked to examine the cab-inet, when, of course, they find nothing. ^^^^^^ Fig. 94. Plan of cabinetFrom Hoffmans Modern Magic. Cabinet openFrom Hoffmans Modern Magic Illusion Show. Pharaohsthumb. Make a table out ofcardboard (Fig. 95) and stand iton three legs, each of which isexactly 5% inches from the othertwo, and place your two mir-rors between A and B and A andC. Surround it by screens onthree sides, making the sides and GILBERT LIGHT EXPERIMENTS 63 back exactly alikeand exactly the samedistance from thetable. Now have an as-sistant put his armthrough a hole in theback curtain and puthis blackened thumbup through a hole inthe table top, and youare ready to beginthe act. _ , . Fig. 95. Pharaohs thumb Explain to the au-dience that you have succeeded in bringing to life the thumbof an ancient pharaoh by your hypnotic power. Explain thatthe thumb was lost in battle, fell on the sands of the desert anddried but did not decompose. This pharaoh was a great hyp-notist, which makes it easier for you to bring his thumb backto life. Explain also that the thumb will answer any questionabout the future. If the thum
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificrecreation
