An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth (1888)
Gwilt, Joseph, 1784-1863, Papworth, Wyatt Angelicus Van Sandau, 1822-1894 · London Longmans, Green · leaf 615
heinner wall; so that the lines EJ, FK, GL, HM, IN,which pass through every two corresponding angles,may tend to the centre O of the groin vault. Let thesections of the given ribs be PQll and STU, so thatPR of the rib PQ.R may stand at right angles to thesides F.F and JK and the sice SU of the rib… … Chai-. hi. aiasonky: S^iS tliroiij^h tlio points of division in the base PK of the cross rib PQIl draw lines parallelto EF, to terminate in the line FK, and in the semicircle PQR. Irom the points wherethese lines meet FK, draw perpendiculars on one side of FK, and make the heights ofthese…
Architecture · Architects
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