ABSTRACT

Again, the measure of the earth from east to west. From the earth to the heavens is [a distance of] seven times, even as it is from 1 the east to the west. Again, from the Fol. 25on. east to the west is [a distance of] eleven thousand and sixtyfour parasangs. And from the earth to the heavens is [a distance of] seventy circles, and each circle is one hundred and thirty-eight parasangs, and the total [distance] of the circles is one thousand, six hundred and seventeen parasangs.