The philosophers of remote antiquity acquired the important knowledge of the earth's spherical form; to their bold genius we are indebted for the outline of the geographical system now universally adopted. With a vigorous conception, but imperfect execution, they traced out the scheme of denoting localities by longitude and latitude: according to their teaching, the imaginary equatorial line, encompassing the earth, was divided into hours and degrees.
The philosophers of remote antiquity acquired the important knowledge of the earth's spherical form; to their bold genius we are indebted for the outline of the geographical system now universally adopted. With a vigorous conception, but imperfect execution, they traced out the scheme of denoting localities by longitude and latitude: according to their teaching, the imaginary equatorial line, encompassing the earth, was divided into hours and degrees.