Great facts : a popular history and description of the most remarkable inventions during the present century (1860)
Bakewell, Frederick C. (Frederick Collier), 1800-1869 · New York, D. Appleton and company · leaf 110
we willconsider it as composed of the smallest possible number of equal di-^y^ N. visions, as in the second diagram, inwhich the circle isdivided into quad-rants. In such anarrangement of thereflectors, the figureseen on lookingthrough the centralaperture will consistof four parts. In thefirst… … THE KALEIDOSCOPE. 95 view will be reflected from both mirrors, by whichreflection the cross on one side will seem to bedoubled, and the triangle on the other will haveanother similar one added to it, to make a completerhomb. The cross will also be reflected by the mirroron the right side, and the…
Inventions
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