Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 320
ome and the circular passage is covered by a vault inthe form of an annular torus. The door openings are cormected by,and form a part of, a conical vault. Draw one half of the plan, anelevation, and a section at y% scale, showing all penetration lines. 2. Change the conical vault in the above… … Fig. 266 between be covered by a warped surface. Draw a plan and elevationat i 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. 304 DESCRIPTIVE GEOMETRY EXERCISE SHEET XCIII…
Geometry, Descriptive
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