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 344
ved that /Ms not on the sphere, centre S,although p is on the plan of this sphere. Draw kk joining the pointsof contact of the tangents from v to the circle, centre / ; join pvintersecting kk in /, then T is the point of contact of the generatorPV with the sphere, centre S. Hence if pc be drawn… … 330 PRACTICAL SOLID GEOMETRY chap. Second Method. — Let mvn be the given plan of thecone, egJ1A being the indexed plan of its axis. Draw any circle, centre s, to touch mv and nv ; this isthe plan of an inscribed sphere. Draw vp, and regard it, not only as the plan of thegenerator through P, but…
