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Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .. (1899)

Boyd, James Penny, 1836-1910 · Philadelphia, Pa., A. J. Holman & Co · leaf 100

An illustration from Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .., 1899, leaf 100
question the full discussion of the theory of the motions of QraIt, was specially sought to learn the cause of the large and increasing errorof Bouvards Tables that had been relied upon to show its unit.ion and itsprecise position at any time. Several able mathematicians undertook thisintricate… … THE MOVEMENT OF URANUS AM) NEPTUNE; The inner circle shows the position of Uranus at various dates; the outer circle the position ofNeptune. The arrows show the direction toward which Uranus was drawn. nition, and M. Le Verrier, of Paris. Working unknown to each other, theyreached similar…

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