Perspective, a series of elementary lectures (1899)
Cone, Ada · New York, W.T. Comstock · leaf 20
14 PERSPECTIVE. Having the diagram made proceed to draw the ob¬ ject. Begin always by drawing its nearest side, or edge, the part which is unchanged by perspective and which requires only to be placed on the diagram in its requisite geometric relation to the lines of the diagram. Draw next the… … S.P. of the eye on the diagram. It is also to left of the spectator because it is to left of the Principal Yisual Bay. Being in this position we are able to see the top and one upright retreating side. These retreat at an angle of 90°, their direction is, therefore, towards the C. V., which is…
Perspective · Drawing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
