Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 41
e candlefrom position 1 to position 2. Now darken the room and ask a friend to look into the glass,as in Fig. 69, while you move the candle from 1 to 2. He will bemuch mystified. Use photos of the same size, one of a boy and the other of agirl, and make thetransformation. Makemany other… … GILBERT LIGHT EXPERIMENTS 39
Light · Scientific recreations
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