Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 17
in the form of spherical waves in the ether. Theseether waves are light waves or heat waves. Similarly the light of an incandescent electric arc light or ofthe sun is produced by rapidly vibrating hot particles of matter. Note. Heat waves are longer than light waves and do notproduce the sensation… … Fig. 16. The lens produces a converging pencil and a diverging pencilW = waves. R = rays its light waves after equal intervals of time, but the light wavesare spherical instead of circular. The straight arrows drawn fromthe center represent light rays. They give the path along whichthe light is…
Light · Scientific recreations
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