. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. 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 P, as a centre, descrihe the arc MO, and thenthe other contrary curve, which will complete theramp required. Y\\>i. story rod US is in the fixing ofall sta
. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. 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 P, as a centre, descrihe the arc MO, and thenthe other contrary curve, which will complete theramp required. Y\\>i. story rod US is in the fixing ofall staircases a necessary instrument; for in fixingthe steps and other work, by a common measuringrule, bit by bit, the chances are that an excess ordefect will occur, to make the staircase faulty ;which cannot be the case if the story rod is appliedto every riser, and such riser be regulated thereby. 2183. A Bracket Staircase is one which hasan opening or well, with strings and newels, and issupported by landings and carriages. The bracketsare mitred to the end of each riser, and fixed tothe string board, which is usually moulded like anarchitrave. In this sort of staircase the
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Keywords: ., bookcentury1800, booksubjectarchitects, booksubjectarchitecture
