Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 95
drawing, then it will appearin its true size; if the surface is perpendicular to theplane, it will be seen edgewise simply as a line. 69. Suppose that a square prism is to bedrawn standing on one corner, and in an obliqueposition so that its long edges are inclined at30 degrees with the horizontal,… … MECHANICAL DRAFTING 73 requires first the construction of two simplerpositions. Tile prism is first placed with its base on H,and its faces at any convenient angle with V, as60 degrees and 30 degrees. This position isshown at A, Fig. 58. Next, let the prism be re-volved about an axis perpendicular…
Architecture · Building
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