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 137
means of giving apparentrotundity to the surface of the moon, as viewedthrough a powerful telescope. The disc of the full THE STEREOSCOPE. 121 moon, however highly magnified, presents, as is wellknown, the appearance of a flat surface, with thelights and shadows marked seemingly on a plane.Owing to… … of stereoscopic eficcts. JSTevertheless, Mr. De la Ruehas taken photographs of the moon which, whenplaced in the Stereoscope, combine to form a solid-looking globe, on which all the lights and shadows6 122 GREAT FACTS. are distinctly and beautifully delineated. He hasproduced this effect by taking…
Inventions
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