Simpson, F. M. (Frederick Moore), 1855-1928 · London, New York [etc.] Longmans, Green, and Co. · leaf 62
ted byhim. M. Places investigations all tend to show that the ceilingswere not flat, and that the rooms, in most cases at all events, werevaulted with semicircular vaults of crude brick. Above thevaults was filling-in, which was levelled at the top and probablytiled to form the flat roof so… … and the walls are never less than 10 feet thick, and are sometimes as much as 25 feet. Thick walls, no doubt, are a necessity in hot climates to keep rooms cool, but it is doubtful if so great a thickness would have been used if it had not been required to resist the thrusts of vaults. It is…
Architecture
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