Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 226
. The method to be followed consists in finding the projectionof the rafter on a vertical plane erected parallel to it (§ 27),as shown by HA. Lengths are projected from the plan, while heights can bemeasured from any datum plane (as BB) on the section. Thefirst lines determined should be the top… … The true shape of the corner rafter having been found as above,a valuable exercise will be found in determining the front ele-vation of the corner, as shown at (a). 210 DESCRIPTIVE GEOMETRY (IX, § 183 183. A Pipe Shaft (§§ 27, 31 to 36, 46, 53). Figure 190shows a portion of the floor and walls of a…
Geometry, Descriptive
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