 | John Keill - Astronomy - 1739 - 504 pages
...four Quadrants of 90 Degrees, two of which are XXX. reckoned from that Part of the Equinoctial that is > above the Horizon, towards each of the Poles ; the other two Quadrants have their Divifions of 90 Degrees, beginning at the Poles, and ending in the ./Equator. THIRDLY, the... | |
 | John Keill - Astronomy - 1739 - 504 pages
...Quadrants of 90 Degrees, two of which are XXX. reckoned from that Part of the Equino&ial that is I above the Horizon, towards each of the Poles ; the other two Quadrants have their Divifions of 90 Degrees, beginning at the Poles, and ending in the ./Equator. THIRDLY, the... | |
 | sir Richard Phillips - 1834 - 248 pages
...poles, for the purpose of findingthe latitudes of places, or the declinations of the celestial bodies : the other two quadrants are numbered from the poles towards the equator, and are used for elevating the poles of the globe. 102. GREAT CIRCLES are those whose planes pass through... | |
 | Richard Phillips (sir.) - 1851
...poles, for the purpose of showing the latitudes of places, or the declinations of the celestial bodies : the other two quadrants are numbered from the poles towards the equator, and are used for elevating the poles of the globe. 106. The CIRCLES on the globe are of two kinds,... | |
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... the ring or circle in which the artificial globe is suspended by means of the axis ; it is divided into four quadrants, of 90 degrees each. Two of these are' numbered from the equator towards the poles, for the purpose of showing the latitudes of... 