Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 41
Arrange the appa-ratus as in Figs. 68and 69. Place thelighted candle in po-sition 1 and adjustblock A until it coin-cides with the imageof block B. Now to prepare atransformation, fold Fig. 62. You read a blotting paper easily a sheet of paper once 38 GILBERT BOY ENGINEERING … Fig. 63. You see behind your back over at the middle,and on the top halfmake a drawing of aman. Make it with alead pencil and beardown so as to creasethe lower half. Nowdraw on the lowerhalf inside the creasesthe skeleton of a man.Tear the halves apart,attach the man to Band the skeleton to A,and…
Light · Scientific recreations
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