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 682
door ; bisect it in h, and draw he perpendicular to ad, make he equal to ha or hd, andjoin ac and cd; from c, as a centre, describe the arc aed, which will show the portion tobe hollowed out of the jamb. Tlie centres are fixed to the upper and under parts of thedoor, and the former is to be so…
Architecture · Architects
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