The principles of perspective as applied to model drawing & sketching from nature (1890)
Trobridge, George, 1851-1909 · London : Cassell · leaf 12
8 AS APPLIED TO THE miNCIPLES OF coincide with it throughout, as stated above. To illus- For convenience of working, planes may he produced trate this, upon a piece of card draw a number of lines indefinitely in any direction. For example, we can and figures. {See Fig. 1.) The surface of the card… … plane, and all the lines, &c., coincide with it, being more correctly, coincides with it. drawn upon it. Hold the card horizontally, vertically, We may have any number of lines of varying or obliquely, and the same lines and figures will be in a horizontal, vertical, or oblique plane respectively.…
Perspective · Drawing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
