Publisher's Synopsis
Excerpt from Uranoscopia, or the Contemplation of the Heavens: Being a Demonstration of the Equation of Time; With the Method of Observing the Solar Ingresses Into Any Point of Ecliptic, and the Investigation of the Aphelions, and Eccentricities of the Planets
III. In every Place within the Middle, 0? Torrid Zone, the Ecliptic Circle is at fome cer tain time of the Day at right Angles to the Ho' rizon of the Place For the Circle parallel to the Equator, drawn thro' the Vortex or Zenith of the place, cuts the Ecliptic Circle in two Points. When therefore the Point of either Interfeaion is co-united with the Zenith, then the Ecliptii: pailés thro' the Poles of the Horizon and there fore it cuts the Horizon at right Angles; and this is done twice in one Diurnal Revolution. But to thofe inhabiting under either T repick, only once in a Day, that is, when the Solfiitial Points in which the Ecliptic touches borh the Tr0picks come to the Zenith of that place. See the Table of the Altitude of the Nonagefnnc Degree. This is made Plain.
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