The Chautauquan: Organ of the Chautauqua Literary And Scientific Circle 23
The Chautauquan: Organ of the Chautauqua Literary And Scientific Circle 23
Chautauqua Institution, Chautauqua Literary And Scientific Circle
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245. R. A. Proctor. attendant over which Sirius bears sway ; but we are well assured as to his own splendor and surpassing volume, and these are the features which afford the most surprising evidence of the wonders of the 5tar-depths." The circumpolar constellations were next observed, and as the evening was too chilly for further observations the pupils went to the professor's study with Miss Inart and the rest of the lesson was devoted to an ac- count of the invention of telescopes and their ...history. " The history of the discovery of telescopes is as follows," said the professor, when the members of the class had taken their places in his study. " In the year 1606 a concave and a convex lens were first used in combi- nation, to render objects less distant in ap- pearance. ' In that year the children of an optician named Jean Lippershey, of Middle- burg, in Zealand, were playing with his lenses and happened to hold one before the other to look at a distant clock. Their great surprise in seeing how near it seemed at- tracted their father's attention, and he made several experiments with the glasses, at last fixing them as in the modem telescope — in draw tubes.
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