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 690
Fig. 781a. Chap. III. JOIXERY. 669 … \ \ II s / / 1 which is as follows : — In the upper ramp, for cx-Hinple, produce the top of the rail HM to V; drawMN vertical, and produce the straight part ON ofthe pitch of the rail to meet it in N, making NOequal to NM. Draw OP at a right angle to ON.From P, as a centre, descrihe the arc MO, and…
Architecture · Architects
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