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单词 debusscope
释义 debusscope|ˈdɛbəskəʊp|
[f. the name of the inventor M. Debus + -scope, after kaleidoscope.]
An optical contrivance consisting of two mirrors placed at an angle of 72°, so as to give four reflections of an object or figure placed between them and form composite figures for purposes of decorative design, etc.
1862Timbs Year-Bk. of Facts 144 M. Debus has invented this new form of kaleidoscope. The debusscope may be made of any size.c1865J. Wylde in Circ. Sc. I. 43/1 In the Debusscope, any object placed between the mirrors is multiplied, so as to present a fourfold appearance.
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