 | Joseph Harris - Astronomical models - 1732 - 236 pages
...the Tear a given Star will be upon the Meridian, at a given Hour of the Night. Bring the Star to the Meridian, and fet the Index to the given Hour, then turn the Globe till the Index points to iz at Noon, and the Meridian will cut the Ecliptick in the Sun's Place ; whence... | |
 | Benjamin Martin - Science - 1747 - 574 pages
...to the Meridian^ and fet the Index to the upper XII ; then turn the Globe till the other given Place comes to the Meridian, and the Index will point to the Hour required; PR OB. VIII. For any given Hour of the Day in the Place where you are, to find the Hour of... | |
 | James Ferguson - 1764 - 322 pages
...the meridian, at a given hour of the night. Bring the given ftar to the upper femicircle of the brafs meridian, and fet the index to the given hour; then turn the globe, until the index points to XII at noon, and the upper femicircle of the meridian will then cut the fun's place,... | |
 | David Jennings - Astronomical models - 1766 - 218 pages
...the Meridian, and fet the Hour-Index to the given Hour ; then, by turning the Globe, bring any Place to the Meridian, and the Index will point to the Hour at that Place. PROS. VI. The Day and Hour at any Place being given, to find where the Sun is in the Zenith at that... | |
 | John Newbery - Geography - 1769 - 360 pages
...Place \i.. e. London} to the Meridian, fet the Index to the given Hour ; then turn the Globe about till the Place where the Hour is required comes to the Meridian, and the Index will point out the Hour at the faid Place. PROB. VII. . The Day and Hour heing given, i« find tbnje Plaett on... | |
 | William Emerson - Mathematics - 1770 - 410 pages
...meridian with chalk. Then. turn the globe about till your place comes under the meridian,, there ftop it, and fet the index to the. given hour. Then turn the globe about till the index point to 12 at noon, there ftop it, and obferve what place is under the mark ot>... | |
 | James Ferguson - Astronomy - 1776 - 546 pages
...the meridian, at a given hour of tke night. Bring the given ftar to the upper femicircle of the brafs meridian, and fet the index to the given hour ; then turn the globe, until the index points to XII at noon, and the upper femicircle of the meridian will then cut the fun's place,... | |
 | Thomas Hodson - Arithmetic - 1806 - 488 pages
...Place. Bring the given place to the brazen meridian, and fet the indc A to the given hour ; then torn the globe, until the place •where the hour is required,...to the hour at that place. PROBLEM VII. Tojind the Son's Place m the Ecliptic, and his Declination, for any given Day in the Year. Look on the wooden... | |
 | George Adams - Astronomy - 1812 - 586 pages
...place to the brazen meridian, and set the hour circle to the given time ; then turn the globe about, until the place where the hour is required comes to the meridian, and the meridian will point out the hour of the day at that place. Thus, when it is noon at London, it is •... | |
 | George Adams - Astronomy - 1812 - 552 pages
...place to the brazen meridian, and set the hour circle to the given time; then turn the globe about, until the place where the hour is required comes to the meridian, and the meridian will point out the hour of the day at that place. Thus, when it is noon at London, it is HM... | |
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To find at what time of the year a given star will be upon the meridian, at a given hour of the night. Bring the given star to the upper semicircle of the... 
