Encyclopedia of architecture : a dictionary of the science and practice of architecture, building, carpentry, etc., from the earliest ages to the present time, forming a comprehensive work of reference for the use of architects, builders, carpenters, masons, engineers, students, professional men, and amateurs (1852)
Nicholson, Peter, 1765-1844, Lomax, Edward, Gunyon, Thomas · New York : Johnson, Fry & Co. · leaf 570
an arch of a bridge in cqui-librio. it has already been shown tiiat equal weights,acting in e(juidislant lines, require an arch of a parabolicform to keep them in cquilibrio. In this it is to beconsidered, that as the arches are placed with their crownupwards, they are in a state of compression,… … 7tff .3 n<j. I.
Architecture · Architects
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