Great facts : a popular history and description of the most remarkable inventions during the present century (1860)
Bakewell, Frederick C. (Frederick Collier), 1800-1869 · New York, D. Appleton and company · leaf 131
box,the cross and the stump of the tree appeared to standout in relief. The accompanying woodcut represents the originalstereoscopic pictures, copied from Sir David Brewstersbook ; and by looking towards the picture on the left * * The Stereoscope: its History, Theory, and Construction, bySir David… … The arrangement of the apparatus, as describedby Professor Wheatstone, in his paper read before theEoyal Society, consists of two plane mirrors, about4 inches square, placed at right angles; and the draw-ings, made on separate pieces of paper, were reflectedto the eyes looking into the mirrors at…
Inventions
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