Sargent, Walter, b. 1868 · New York, C. Scribner's sons · leaf 31
INTRODUCTION 15 placed upon the spindle of the top. A slit extending from the centre to the circumference should be cut in the disks (A in Fig. 2). This enables us to slip two or more disks together and adjust them so as to show the colors in any proportion we may desire (B in Fig. 2). When we spin… … A B Fig. 2. Method of combining disks of different hue. In preparing to spin the top the cardboard disk is placed first on the spindle. Then the colored disks, arranged so as to show the hues in the proportions that we wish. Then the little circular clamp is pressed down firmly to hold the disks in…
Color
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