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A manual for teaching model-drawing : from solid forms, the models founded on those of M. Dupuis : combined with a popular view of perspective, and adapted to the elementary instruction of classes in schools and public institutions (1843)

Williams, J. Butler, Sir, Lowry, Joseph Wilson, 1803-1879 · London : J. W. Parker · leaf 142

An illustration from A manual for teaching model-drawing : from solid forms, the models founded on those of M. Dupuis : combined with a popular view of perspective, and adapted to the elementary instruction of classes in schools and public institutions, 1843, leaf 142
PRINCIPLES OF PERSPECTIVE. 121 not be made to extend, because beyond the limits of this angle objects cannot be seen distinctly by direct vision without a painful straining of the eye. … A line bisecting, or dividing into two equal parts, this angle of vision, is called the axis of vision, and in looking at any object, or combination of objects, the eye is naturally directed, so that this axis of vision passes through the middle of the object, or of the combination of objects. An…

Drawing · Perspective

Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.

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