Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 134
Figure 111. — An Astigmatized Eye. Figure 112. — An Astigmatized EyeCorrected. THE MOTION-PICTURE MACHINE 123 An arc light is used to illuminate the object (0, Figure114), which is usually a picture on a glass plate called aslide. In order that more of the light from the arc maystrike the object,… … Figure 113.—A Life-size Picture Camera. rays, condensing lenses (c, c) are placed between the arcand the object. Xow, the slide or object is placed between F and 2 F be-tween the light and the lens, and the image is thrown on ascreen some distance in front, the image appearing very large
Physics
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