Practical plane and solid geometry for advanced students, including graphic statics, adapted to the requirements of the South Kensington syllabus (1899)
Harrison, Joseph, Baxandall, George Albert · London Macmillan · leaf 312
etermine the point s, asshown, / being the elevation of the foot of the perpendicularfrom D to the plane of the face ABC, and draw sd per-pendicular to tv and equal to dxD0. In a similar mannere and/ may be found. The elevation of the octahedronis then completed by drawing the lines representing… … Examples on Problems 255 to 258. 1. The sides of a square are inclined respectively at 300 and 450 ; draw the plan and determine the inclinations of the diagonals. 2. Draw plan of a square pyramid, side of base I7?, height 1^, when two sides of the base are inclined at 30° and 400 re-spectively.…
