Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 234
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,… … 5(rise)
Geometry, Descriptive
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