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 252
plane. The horizontal trace of the plane is ot, drawn througho perpendicular to ab; and the vertical trace is tv, drawnthrough / perpendicular to ab. 203. Problem.—To determine the true distance be-tween two given parallel oblique planes. (No figure.) If the planes are parallel, their horizontal… … Examples.—1. Represent an oblique plane, and a line perpendi-cular to it. Show also an oblique plane and a line lying in it. 2. Draw the traces of the three planes of the example on page 233, and in each case draw the projections of a point A, situated 1to the right of /, 2j above the ground, and 2…