London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 465
ulars of the dimensions are as follows : — The span between the pillars is 11 ft. 4 in. The height of thepillars is 22ft. Sin. The height of the shafts is 18ft. Thediameter of the pillars is 2 ft. 10 in. The thickness of the ma-sonry, from the intrados to the top, is 3 ft. The span, divided by 6,… … diameter exceeds the true one by 12 in.: this will allow only ofthe addition of 6 ft., thus making the height 17 ft. 4in.: theheight of the pillar, however, exceeds this by 5 ft. 4 in. Now,according to the law relative to pillars supporting arches, itwill be seen, on turning to the experiments…
Architecture
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