 | Benjamin Martin - 1747 - 574 pàgines
...fetting, or on the Meridian; alfo thofe Places 'which are enlighten' 'd, and thofe fahich are not: FIND the Place to which the Sun is vertical at the given Tim?, and bring the fame to the Meridian, and elevate the Pole to the Latitude of the will fall nicely... | |
 | Benjamin Martin - 1781 - 512 pàgines
...diflieartened, it is but a Trifle that you want to recolle£t, to make the Problem as clear as the Day For only find the Place to which the Sun is vertical at the given Hour, (which you know how to do by the laft Problem) and bring the -fame to the Meridian, and elevate... | |
 | Thomas Hogg - 1806 - 130 pàgines
...The day and hour being given, to Jind all those places where a lunar eclipse will be visible. ., : Find the place to which the sun is vertical at the given hour, rectify the globe to that place,and bring it to the upper part of the meridian : at whatever... | |
 | William Nicholson - 1809 - 700 pàgines
...a solar or lunar eclipse being given, to find all those places in which the same will be visible." Find the place to which the sun is vertical at the given instant, and elevate the globe to the latitude of the place ; then, in most of those places above the... | |
 | William Enfield - 1811 - 476 pàgines
...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 below the horizon,... | |
 | Edward Bruce (bookseller.) - 1821 - 418 pàgines
...PROBLEM XXXVI. To find at what places an eclipse of the moon is visible. 1. Find, by Problem XXVI. the place to which the sun is vertical at the given time. 2. Elevate the globe for the antipodes of that place, and bring the antipodes to the meridian : then,... | |
 | S. Treeby - 1826 - 244 pàgines
...knowing the lime when a Lamar Eclipse happen, to tell the places where it will be visible. RULES. 1. Find the place to which the sun is vertical at the given time, by Problem XI. 2. Then as the sun is visible to all the places above the horizon, so the moon, being... | |
 | James Charlton - 1829 - 250 pàgines
...when an eclipte of the sun witt happen, to find where it will be viable. HULK __ Find by problem 9, the place to which the sun is vertical at the given time ; rectify the globe for the latitude of that place, and bring it to the brass meridian. To all the... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford - 1831 - 650 pàgines
...what places of the earth the sun is Dun rising and letting ; where it is noon and midnight. — Rule. Find the place to which the sun is vertical at the given hour, briug the same to the meridian, and adjust the globe to a latitude equal to the sun's declination.... | |
 | Francis Lieber - 1831 - 646 pàgines
...what places of the earth the sun is then rising ana setting ; where it is noon and midnight. — Rule. Find the place to which the sun is vertical at the given hour, bring the same to the meridian, and adjust the globe to a latitude equal to the sun's declination.... | |
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... places by the eastern side of the horizon, the sun is just setting, and to those by the western side, he is just rising. 
