Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 18
ir, water,and glass. Bodies which let light through, but which you cannotsee through, are called translucent; as paper, ground glass, andcotton cloth. Bodies which do not transmit light are called opaque; for example, wood,brick, and metal. No substance is entirelyopaque; for example, evenmetals… … 16 GILBERT BOY ENGINEERING passes into another medium. It then changes Idirection but again |travels in straight lines Ifrom the object or in jthe new medium. Experiment No. 8.Carbon particles in aflame. Hold a saucerin a candle flame (Fig.18). Is it blackened?The blackening is caused by the…
Light · Scientific recreations
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