Page:Description and Use of a New Celestial Planisphere.pdf/25

20 great; for it presents to our view the true and perfect ituation of the celetial phere, together with all the Stars, and other celetial bodies, in their true poitions with repect to each other, and to the Horizon, and Meridian, and all the other Circles of the Spheres: this effect cannot fail to delight and gratify every beholder, who will make their various ues of it accordingly, and by continuing to turn the Index by a good regulated clock, or watch, as often as we chue to take an obervation, we hall mot beautifully dicern and comprehend the diurnal rotation of the Earth upon its axis, from Wet to East, cauing the apparent diurnal motion of the Heavens from Eat to Wet.

Problem 2. To find the Sun's place in the Ecliptic, uppoe on Augut 14th, and November 29th, at noon. Turn the director to the days propoed, and you will find it points to 22° of Leo on August 14th, and 7° of Sagittary on November 29th, for anwer.

Problem 3. To find the Sun's Declination on June 4th, and December 1t. Find the Sun's place by the econd Problem, for each day, and bring thee points of the Ecliptic to the Meridian of the Index North, and it gives 22° 30' North, on June 4th, and 21° 40' South, on December 1t.

Problem 4. To find the Sun's right Acenion in time, and degrees, on April 9th, and on September 2d. Lay the director to each day, and it interects the Sun's place in the Ecliptic, and his right Acenion in the