London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 464
sses, and is most essential, not only as a wedge, but, from itsgreat weight, locking up, as it were, the lighter parts of theroof in perfect safety against being displaced by the fortuitouspressure of any persons foot. Canterhiry Cathedral—Fig. 101. represents three arches, withtheir pillars, being… … pillars is 6 ft. 1 in. The height of the shaft is 4 ft. 6 in. Thediameter of the pillars is 1 ft. 3 in. The arches are semicir-cular. In 13 ft. 5 in. there are 161 in., which, divided by 6, givesnearly 27 in. for the true diameter of the pillars. The dia-meter of these pillars is, however, 15 in,,…
Architecture
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