Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 322
dome and the circular passage is covered by a vault inthe form of an annular torus. The door openings are connected by,and form a part of, a conical vault. Draw one half of the plan, anelevation, and a section at i^ scale, showing all penetration lines. 2. Change the conical vault in the above… … •Fio. 266 between be covered by a warped surface. Draw a plan and elevationat § scale, indicating stone jointing on the basis of 9 voussoirs foreach arch. Let the maximum dimension of any stone be 2 — 9.Show three directrices for the warped surface. Ci:~™. 304 DESCRIPTIVE GEOMETRY EXERCISE SHEET…
Geometry, Descriptive
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