Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 97
little above and belowthese points the bluewaves destroy eachother, and you see redlight. FUN WITH SUN-LIGHT Fig. 145. You produce a beautiful spectrum bymeans of your prism Experiment No. 84. The prism spectrum.Allow a beam of sun-light to pass through 94 GILBERT BOY ENGINEERING … Fig. 146. You produce a beautiful spectrum byreflection under water the slit in your dark-ened room and fall onthe prism supported be-tween blocks as shownin Fig. 145. Cut a pieceof cardboard of the ex-act size of one face ofthe prism and put it onthe upper face. Do youfind a beautiful spec-trum on…
Light · Scientific recreations
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