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 836
line no, completingthe whole linear delineation of the building///(//(ho/i. It is to be observed, that whateveroriginal i>lane is produced to the picture to obtain an intersection, such intersectionserves only to obtain heights in the direction of that plane ; whence ihey may be transferredto… … thereon can only be transferred throughout the direction of that plane. Thus the helj;litof the roof IL was transferred by the line LZ along that plane to its other extremity x ;but the line rs is not the jilace of the ridge of the roof wliicli lies in the middle of thel)lane (//ti/im, jiroceeding…
Architecture · Architects
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