Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
ed from the same object), theimjiression made on the mindwill be the same as if both images were derived from one solid or pro-jecting body, instead of from two some\vhat unlike flat pictures. The distance between the two positions in which the camera isplaced to take stereoscopic pictures, varies…
Physics · Astronomy
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