Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 91
Fig:. 137. A mirageFrom Aldons Elementary Course of Physics, published by The Macmillan Co. … Fig. 136. A right-angled prism GILBERT LIGHT EXPERIMENTS 89 clouds which passes from the upper cold air through warmerand warmer lower layers. It is refracted and finally totally re-flected and the clouds look like a lake of water on the ground.Sunset and Sunrise. You see the sun before it is up and
Light · Scientific recreations
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