A dictionary of architecture and building; biographical, historical and descriptive (1901)
Sturgis, Russell, 1836-1909 · New York, Macmillan · leaf 79
nging line so that theopening at the liottoni of the arch is less thanits gre:ite<t s]ian; see the general article above.Imperfect Arch. Same as Diminished Arch(see also Scheme Arch). All these terras seem toarise in the fancy, natural to academic studentsof neo-Roman style, that all arches not… … ARCH the extrados. Such arches are used in construc-tion, as in foundations wjiere very narrow piershave to be given a wider bearing ujion the soil.The conditions are almost precisely similar tothose of arches resting upon piers and with asuperincumbent mass. In lofty modern build-ings inverted…
Architecture
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