Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 237
TAL SCIENCE. appearance. It is not difficult to understand that whateveris exhibited in the spectrum must have existed in the lightbefore it reached the prism, but the recombining of the col-ors of the spectrum so as to produce white light is of courseconclusive. The colors of the spectrum have… … Simple Rocking Prism. disk. Light from different portions of the spectrum hasbeen reflected upon a single surface by a series of plane mir-rors, thus uniting the colored rays forming white light. Thecolored rays emerging from the prism have been concen-trated by a lens upon a small surface, the…
Physics · Lantern projection · Electric apparatus and appliances
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