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" ... the distance of the small circle, and also of the parallel lines from your eye; divide then the distance of the former by that of the latter, and you will have the magnifying power of the telescope required. "
The Elements of Natural Or Experimental Philosophy - Page 278
by Tiberius Cavallo - 1803
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The Nautical Almanac and Astronomical Ephemeris for the Year ...

Nautical almanacs - 1783 - 462 pages
...from your Eye, till you fee them appear ex actly to cover the fmall Circle viewed in the Te lefcope. Meafure now the Diftance of the fmall Circle, and...former by that of the latter, and you will have the magnify ing Power of the Telefcope required. Two other Methods to determine, by Experiment, the Power...
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The Panorama of Science and Art: Embracing the Sciences of ..., Volume 1

James Smith - Industrial arts - 1815 - 684 pages
...distance of the small circle, and also of the parallel lines, from your eye; then divide the distance of the former by that of the latter, and you will have the magnifying power of the telescope. Miscellaneous Remarks, relative to Telescopes, In treating of vision, we observed that objects...
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The economy of the eyes

William Kitchiner - 1825 - 480 pages
...distance of the small circle, and also of the parallel lines, from your eye. Divide then the Distance of the former by that of the latter, and you will have the magnifying power of the Telescope required. " Two other methods to determine, by experiment, the power of any Telescope are...
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The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Volume 22

Industrial arts - 1835 - 532 pages
...distance of the small circle, and also of the parallel lines from your eye; divide then the distance of the former by that of the latter, and you will have the magnifying power of the telescope required." The Ladies' and Gentlemen's Diaries are among the old friends to whom we alluded,...
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Iron: An Illustrated Weekly Journal for Iron and Steel ..., Volume 22

Perry Fairfax Nursey - Industrial arts - 1835 - 522 pages
...distance of the small circle, and also of the parallel lines from your eye; divide then the distance of the former by that of the latter, and you will have the magnifying power of the telescope required." The Ladies' and Gentlemen's Diariet are among the old friends to whom we alluded,...
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Merlinus liberatus: being an almanack. Merlinus liberatus, Volume 6

John Partridge - 1690 - 610 pages
...distance of the small circle, and also of the parallel lines, from your eye; divide then the distance of the former by that of the latter, and you will have the magnifying power of the telescope required. THE WINTER QUARTER. trokgicnm, pro Anno 1 835 ; or an Astrological Judgment upon...
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