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16 aid to rie: the ame way the Wetern Horizon doth elevate itelf above thoe bodies that are the mot Wetern, and they are aid to et; and so thoe bodies, that are on the eatern ide of the Meridian, will, by this motion of the Earth, culminate, or tranit the Meridian, and in turn will et; as alo the imaginary Circles of the Sphere, uch as the Equinoctial, the Ecliptic with the Sun, and Planets therein, will, by the rotation of the Earth, all appear to rie, culminate and et, cauing day and night to all; this is called the Diurnal, and Horary Motions of the Spheres; this is the part of Atronomy that is peculiarly noticed by, and ueful to every one; it is thee motions, that my Planisphere is chiefly intended to illutrate, and render familiar to the capacity and practice of every Lover of Atronomy; and this leads me to the following Precepts, on the Properties and Ues of the Circles of the Planisphere.

Precept 1. of the, is an Arc of the Meridian, beginning at the Equinoctial, and counting it North and South to the Poles, o any celetial object, while it is ituated on the North ide of the Equinoctial, is aid to have North Declination; but, while they are on the South ide of the Equinoctial, are aid to have South Declination; and note! on my Planisphere, a Scale of Declination, North and South, is laid down upon the Meridian of the Index with 0° degrees, revolving in the Equinoctial.

Precept 2. , is an Arc of the Equinoctial, beginning at the firt