Gilbert light experiments for boys . Fig. 150. You make an artificial rainbow GILBERT LIGHT EXPERIMENTS 99. Fig. 151. You see a devil experiment will showbest in your darkenedroom. FUN AT NIGHTExperiment No. 95. A changing devil. Cuta little devil out ofcardboard and arrangeas shown in Fig. the red glass in front of the candle at the right. Is the devil at the right red andis the devil at the left very dim but of the complementary color,green? Use blue glass. Is one devil blue and the other verydim but of the complementary color, orange? Experiment No. 96. A tri-colored star. Fold a p
Gilbert light experiments for boys . Fig. 150. You make an artificial rainbow GILBERT LIGHT EXPERIMENTS 99. Fig. 151. You see a devil experiment will showbest in your darkenedroom. FUN AT NIGHTExperiment No. 95. A changing devil. Cuta little devil out ofcardboard and arrangeas shown in Fig. the red glass in front of the candle at the right. Is the devil at the right red andis the devil at the left very dim but of the complementary color,green? Use blue glass. Is one devil blue and the other verydim but of the complementary color, orange? Experiment No. 96. A tri-colored star. Fold a piece ofcardboard. Cut a four-pointedstar in one half. Fold thepoints back, make a tracing onthe other half, and cut out astar very carefully with thepoints exactly between thoseof the first. Arrange as shownin Fig. 152 and hold the redglass in front of one can-dle. Do you get an eight-pointed star with the pointsalternately red and green andwith a white or pink eight-pointed star inside? Repeatwith the blue glass. Are the Fig. 152. You see an eight-pointed star points blue and Orange?
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificrecreation
