History of Indian and Eastern Architecture v2.c30.42

v2.c30.42

semicircle A A A (Woodcut No. 418) to represent the section of a hemispherical dome. The first segment of this, though only 10 ft. in width, will be 30 ft. in height, and will weigh 9,420 tons; the next, 10 ft. high and 10 ft. wide, will weigh 3,140; the third, 10 ft. by 6 ft., will weigh only 1,884; the fourth will weigh 942; and the central portion, as before, 316.