Shaw's Civil architecture; being a complete theoretical and practical system of building, containing the fundamental principles of the art . ®ii3 iriME i?a!>[aQ]i\ifa(d)S3 ®i? vboe svisara©. F,<,. 2 7 ^ ,/ f // / / / • f V u - /. L f fXi h ^ ^. STAIRS. 127 and A I K L M N E, which will complete the facemould for the twisted part of the scroll, which is tobe glued to the other part formed in one level falling mould is constructed as follows: Fig. F G H be the pitch board, as in Fig. 1. DivideF G into eight equal parts, and make F a equal tothree of the parts ; throu
Shaw's Civil architecture; being a complete theoretical and practical system of building, containing the fundamental principles of the art . ®ii3 iriME i?a!>[aQ]i\ifa(d)S3 ®i? vboe svisara©. F,<,. 2 7 ^ ,/ f // / / / • f V u - /. L f fXi h ^ ^. STAIRS. 127 and A I K L M N E, which will complete the facemould for the twisted part of the scroll, which is tobe glued to the other part formed in one level falling mould is constructed as follows: Fig. F G H be the pitch board, as in Fig. 1. DivideF G into eight equal parts, and make F a equal tothree of the parts ; through a diaw d q perpendicularto F G, cutting H G at ^; produce H G io d; drawany line q s parallel to F G, and make q s equal tothe stictcli out of the first two quarters, a, b, v, of theoutward spiral. Fig. 1; through s draw u d parallelto H F; in H d take any distance d b, and draw b aparallel to F G, cutting u d at a. Again: in H dtake b c equal to b a, and join c a; through ^j drawp t parallel to c a, cutting n b in t; draw t v parallelto F G, cutting H fZ at w; then will v t ha equal to V p; divide v p and v t each into the same numberof equal parts, and draw the intersecting lines to thepoints of division, and the curves formed will be theupper
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Keywords: ., bo, bookcentury1800, booksubjectarchitecture, booksubjectbuilding
