CONTENTS. CHAP. I. Definitions, Axioms, and Problems of Practical Geometry; the Stereographic Projection of a Map of the World; the Description, Use, Etymology, Variation, and Me- thod of projecting the Mariner's Compass: a Rule to find how often any of the Orbs in the Solar System are contained in ano- ther; the Proportion of the Diameter of a Circle to its Circum- ference described, and hence the Method of finding at what Rate the Inhabitants of the Earth are carried by its annual CHAP. II. The Rise and Progress of Geography; Defini- tions of the Lines used on the Globes, the Signs of the Zodiac, Positions of the Sphere, &c. CHAP. III. Contains 50 Problems on the Terrestrial Globe, including the Use of the Analemma and Sliding Hour- circle; with a Table showing the Breadth of a Degree of Longitude in any latitude, a Table of the Equation of Time, CHAP. IV. The Rise and Progress of Astronomy, with an account of the various Systems that have been introduced into CHAP. V. An Epitome of the Solar System, the Characters used in Astronomy, the Magnitudes of the Stars, the Greek Letters, Asteroides, Comets, the chief Divisions of the Heavens, 35 CHAP. VIII. Contains 22 Problems on the Celestial CHAP. XI. 'The Application by Question and Answer, tending to promote a practical Review of the Terrestrial Globe 182 THE APPLICATION OF THE GEOGRAPHICAL CLOCK, FRONTING Problem I. Given noon at any place, to find the hour at any Rule. Set the index, or upper XII, to the given place, and When it is noon at Great Britain, what is the hour at Mexico, Prob. II. Any hour and place given, to find what o'clock it is Rule. Set the given hour to the place, and opposite to any Given 2 in the afternoon at Great Britain, required the hour INDEX. A. Amplitude, to find, 147. Defi- Amphiscii and Ascii, 172. Ascension, oblique, 142. To Ascension, &c. of 20 noted Ascensional difference, to find, Astronomy, its rise, &c. 116. Atlas, what, 39. Axioms, 10. Axis of the Earth, 40. B. Bearing of places, to find, 62. C. Ceres Ferdinandia, 127. INDEX. Lat. long. diff. of lat. and dist. Latitude and longitude of a star, M. Magnitude of the stars, 130. Meridians, 43. First ditto, 45. N. Nadir and Zenith, 46. 0. Obliquity of the ecliptic, 43, 124. xi Place given, with the distance, Planets, their places to find on Place that a ship sails from, its Problems, geometrical, 11. On |