2^4 ^Description and Use of the:

and pass westward over a vast space of landbut little known to the Europeans ; thence itwill leave the western coast of North Ame-rica, to shine upon the northern part of thePacific Ocean, until it is perpendicular toseveral islands, one of which is called St-Abraham; it crosses the southern land ofKamkatska, and the island Sangalien;thence it becomes perpendicular to the con-tinent near Telmen on the east side ofMongales in Chinese Tartary, and so pro-ceeds to cast its perpendicular rays over avast country in Asia, being sometimes azenith point to the Chinese, at other timesto the Ruffian Tartars, and pasting overBielgorod, becomes vertical to Muscovy, Po-land, Germany, and Zeland, and so crossesthe sea again to return to its perpendicu-larity over the city of London: all which isperformed by the earth’s diurnal motion inio short a time as twenty-three hours andsifty-six minutes.

When a beginner has been thus exercisedwith the general passage of two or threeprincipal stars over their correspondent pa-rallels on different parts of the earth, hisideas will be so greatly improved, that maps

and