Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 27
Fig. 33. One candle equal to fourFrom Millihan and Gales First Course inPhysics, Ginn & Co. SHADOWS Experiment No. 21. Enlarging shadow.Move a pencil from thescreen toward thecandle (Fig. 35). Doesthe shadow increase insize? It does, becauselight goes in all direc-tions in straight linesfrom… … Fig. 34. Illustrating the shadow photometer GILBERT LIGHT EXPERIMENTS 25 SHADOW ENTER-TAINMENTS Boys, you can havethe greatest kind of funbygiving shadow showsto your friends, and the
Light · Scientific recreations
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