London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 529
to nearly a level with the crown;when at the height of b, over e, the arch carried 12 lb. Uponplacing similar masonry on the opposite side, the arch, at thepoint 6, carried more than 24 lb.; thus proving again, as wasthe case in the experiments above alluded to, that masonry atthe haunches, when… … spirs 10 ft. deep as before, in fig. 188. This arch carried, at c,1611). well. Now, on inspecting these two elevations, the dotted in ArcheSi Piers, and Buttresses. 509 line a h, fig. 189., will be found to be quite within the voussoir;but this is not the case with the line a h,Jig. 188.; also, the…
Architecture
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