File:PSM V11 D687 The color top.jpg

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English: Direct recomposition of the colors. "Fig. 10 shows how a common iron top, such as may be found in any toy-store, may be transmuted into a color-top. The shape of the handle is of no importance. By fastening disks of various colors, made of drawing-paper, around it, all sorts of chromatic changes may be studied. With red, green, and violet, white will appear by spinning the top. With one-quarter green and three-quarters red a deep orange may be produced. Directions are given for using the top on the lantern, and casting the colors on the screen, so that a great many persons may see it at once."
Date
Source Popular Science Monthly Volume 11
Author Unknown authorUnknown author
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current02:23, 28 July 2010Thumbnail for version as of 02:23, 28 July 20101,346 × 1,318 (206 KB)Ineuw{{Information |Description = Direct recomposition of the colors |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_11.djvu/687 |Date = 1877 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} {{GFDL-user-w|en|Wi

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