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Books Books 1 - 10 of 11 on To find all the places to which a lunar eclipse is visible at any instant. Find the....  
" To find all the places to which a lunar eclipse is visible at any instant. Find the place to which the sun is vertical at that time, and bring that place to the zenith, and set the index to the upper twelve, then turn the globe till the... "
Parker's Geographical Questions: Questions in Geography, Adapted for the Use ... - Page 114
by Richard Green Parker - 1855 - 114 pages
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Modern Geography: A Description of the Empires, Kingdoms, States ..., Volume 1

John Pinkerton, Benjamin Smith Barton - Atlases - 1804
...eastern horizon is just ending in the evening. 516. To find all the Places tit which a Lunar Eclipse is visible at any Instant. Find the place to which the sun. is vertical at any time, and bring that place to the zenith, and the eclipse will be visible to all the hemisphere...
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An Easy Grammar of Geography: Intended as a Companion and Introduction to ...

J. Goldsmith - 1811 - 144 pages
...lunar eclipse is visible at any instant, Rule. Find the place to which the sim is vertical at tiiat time, and bring that place to the zenith, and set...index points to the lower twelve, and the eclipse is visible to every part of the earth that is now above the horizon. Ex. On the second of October,...
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Institutes of Natural Philosophy: Theoretical and Practical

William Enfield, Alexander Ewing - Astronomy - 1811 - 428 pages
...the sun, and be an evening star. PROB. XXV. To find all the places to which a lunar eclipse will be visible at any instant. Find the place to which the sun is vertical at the given time, and bring that place to the zenith, and the eclipse will be visible to all the hemisphere...
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An Easy Grammar of Geography: For the Use of Schools, Upon Goldsmith's Much ...

Jacob Willetts - Geography - 1815 - 200 pages
... To find all thr fllacef to which a lunar ecUfn~eu visible at any inttant. Find the place to-which the sun is vertical at that time, and bring that place to t lie zenith, and set the intlex to the tipper twelve, then turn the globe till the index point to...
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Geography: Or, A Description of the World. In Three Parts. Part I ...

Geography - 1820 - 335 pages
...under the lower half it is midnight. PROBLEM ~KlV.-TuJi.Htl all the placet to which a lunar eclipse it visible at any instant. Find the place to which the...the upper twelve, then turn the globe till the index point to the lower twelve, and the eclipse is visible to every part of the earth that is now above...
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A Grammar of General Geography: For the Use of Schools and Young Persons ...

Sir Richard Phillips - Geography - 1821 - 192 pages
...PROBLEM XIV. fojind all the plafes (o ishkh a lunar eclipse is visible, at any instant. Rule. Find the place to which the sun is vertical at that...index points to the lower twelve, and the eclipse is visible to every part of the earth that is now above the horizon. Sf. On the 2d of October,...
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Geography: Or, A Description of the World. In Three Parts. Part I ...

Daniel Adams - Geography - 1821 - 337 pages
...under the lower half it is midnight. PROBLEM XIV. To find all the places to which a lunar eclipse is visible at any instant. Find the place to which...the upper twelve, then turn the globe till the index point to the lower twelve, and the eclipse is visible to every part of the earth that is now above...
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Elements of Geography, Ancient and Modern: With an Atlas

Joseph Emerson Worcester - Geography - 1822 - 322 pages
...the day is twice eight, or sixteen hours. PROBLEM XI. To find all the places to which a Lunar Eclipse is visible at any instant. Find the place to which...index points to the lower twelve, and the eclipse is visible to every part of the earth that is now above the horizon. OF THE CELESTIAL GLOBE. The nominal...
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An Easy Grammar of Geography: For the Use of Schools, Upon Goldsmith's Much ...

Jacob Willetts - Geography - 1823 - 208 pages
...under the lower half, it is mid night. N2 PROBLEM xiv~ To find all the placfs to which* lunar edip*e is visible at any instant. Find the place to which the sun is vertical at that lime, am) brin^ that place to the zenith and set the index to the upper twelve, then turn the globe...
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Elements of Geography, Modern and Ancient: With a Modern and an Ancient Atlas

Joseph Emerson Worcester - Geography - 1844 - 331 pages
...day is twice eight, or sixteen hours. PROBLEM xi. To find all the Places to which a, Lunar Eclipse is visible at any Instant. Find the place to which...index points to the lower twelve, and the eclipse is visible to every part of the earth that in now above the horizon. THE CELESTIAL GLOBE. As the Terrestrial...
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