Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 305
ght were instantaneous, it is obvious thatan observer at T, the most remote part of the eartlis orbit, would see the eclipse begiaand end at the same moment as an observer at T, the part of the e.arths orbit nearest toJupiter. This, however, is not the case, but the observer at T sees the eclipse… … ♦ A very ingenious plnn was devised a few years since by M. Fizeau of Paris, by whichthe velocity of artificial light was determined and found to agree with that of solar light.A disc, or wheel, carrying a certain number of teeth upon its circumference, was made torevolve at a known rate: placing a…
Physics · Science · Technology
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