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 179
158 PRACTICE WITH THE character, the teacher will refresh the memory of the pupils with regard to the apparent convergence of parallel lines that recede from the eye. At right angles to the axis of vision. Base at bottom. Above the level of the eye, and viewed obliquely. In the same plane with the… … Above the level of the eye, and viewed obliquely. In the same plane with the eye.
Drawing · Perspective
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
