A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments." (1891)
Hall, Edwin Herbert, 1855-1938, Bergen, Joseph Y. (Joseph Young), 1851-1917 · New York, H. Holt and Company · leaf 179
no real existence in space, and would not show upon ascreen placed where it appears to be. Evidently the image formed by a plane mirror is an un-real image. 133. Images of Images.—If any of the rays from 0(Fig. 101) after reflection from the mirror A fall upon asecond plane mirror B, they will be… … FIG. 101. just as if it were the image of an actual object sendingrays from 7X. The rays reflected first from A and next from B mightthen fall upon a third mirror, and give an image of theimage 72, and so on; but at each reflection there is someloss of light, and an image formed after many…
Physics
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