Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 232
hen the relation of rise and run are known, many relationsof height can be deter-mined from the planwithout recourse to theelevation. Relations ofdistance can be deter-mined on elevation with-out using the plan, or aplan and elevation can bedeveloped without draw-ing a roof plan. Thus,in Fig. 197,… … 216 DESCRIPTIVE GEOMETRY [X, § 188 188. To Determine the Point at which a Guy Wire Meetsa Roof. In Fig. 198 are shown the plan and elevation of a
Geometry, Descriptive
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