Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 346
s be placed in it capable of fillingit, and of such power as to bring the rays to a focus on theopposite screen. Fig. 226 shows how the image is formed in the cameraobscura. The pencil of rays coming from the soldiers capgoes to form an image at the bottom of the box, whilst thatcoming from his… … Fig. 226 the screen. The image is inverted and reversed in a hori-zontal direction, but in every other respect, including color,it is a perfect representation of the object pictured. The camera obscura affords aid in sketching the outlines of alandscape or building, but its principal importance at…
Physics
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