Complete perspective course : comprising the elementary and advanced stages of perspective, the projection of shadows and reflections, with exercises in theory and practice, also the practical application of perspective (1900)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan and co. · leaf 29
gle, which sideremains fixed. This fixed line is called the ao:is of the cone ;the base is a circle, and the point opposite the base is calledthe vertex. A solid bounded by a closed surface, such that all straightlines drawn to it from a certain jDoint are equal, is called asjyliere (Gk. sphaira, a… … Fig. 14 A vertical plane is a plane at right angles to a horizontalplane. A liorizontal line is a line parallel to a horizontal plane.A vertical line is a line at right angles to a horizontal plane. I TECHNICAL DEFINITIONS 7 A i)Ian of an object is tlie tracing made on a horizontalplane by the foot…
Perspective
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