Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 233
alls. 186. Roofing Plans. In drawinga set of floor plans and elevations,it is quite easy to indicate an ar-rangement of roof planes which, in*^act, cannot exist, or that wouldfail to shed water, or that Wouldleave some portion of the planuncovered. A carefully drawn roofplan will reveal any such… … Fig. 194 X, § 187] APPLICATIONS OF CHAPTER VI 215 used. The visualization of a roofplan is made easier by a shading ■like that in Fig. 195. When a vertical surface, such asthe side of a chimney, intersects aroof so as to leave a level pocketbehind, an artificial .slope, called asaddle or cricket,…
Geometry, Descriptive
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