Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 655
to get rid of reflection fromthe front surfaces of the film and glass, a thin prism is cemented to the film sideof the picture. In that way the light reflected from the layers of the silverimage only enters the eye. The colours are produced by interference and notby a pigment, and it is for this… … Fig. 619 to be devised ; fig. 620 represents a section of one form. The ordinary darkslide is provided with a square inner frame, B, perfectly flat, on which reststhe back of the plate (i ; the back of the slide is also plane, and has glued allround leather, H, about jV, of ^ ch thick ; by means of…
Physics
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