Shaw's Civil architecture; being a complete theoretical and practical system of building, containing the fundamental principles of the art (1852)
Shaw, Edward · Boston, J. P. Jewett · leaf 88
Fig. 1,)intersect, tlicy form between them a certainangle, wliicli is called the inclination of thetwo planes, and -n-hich is measured by theangle contained by two lines ; one drawn ineach of the planes, perpendicular to theirline of common section. 1. Thus, if the line A F, in the plane A B E F,… … / flW. 1. fYo. r;. /-/ V \ ( e 7 f / J
Architecture · Building
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