Descriptive geometry for students in engineering science and architecture; a carefully graded course of instruction (1915)
Armstrong, Henry F. (Henry Fry), 1868- · New York, J. Wiley & sons, inc.; [etc., etc.] · leaf 45
Fig. 36. Fig. 37. in plan, have no light falling on them, they are shaded. They are said to be inshade, as distinguished from the cast shadow just found. In the case of the coneat Fig. 37, the part in shade is determined by the radii that are perpendicular tothe tangent hnes serving as contour or… … In Fig. 38 it must first be realized that the outhne of the shadow of the circularblock there represented will be caused by the vertical hnes on its sides found inplan at A and at B, the upper rim ACB, and the lower run ADB. The shadowsof the vertical lines at A and B should first be found, then,…
Geometry, Descriptive
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
