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 268
GENERAL ARRANGEMENTS. 245 3rd. The line is finished, as with No. 3, so as to be of he same thickness throughout, and continuous*. A similar process is followed for the drawing of a curve. … 33. When paper is used in drawing, several sheets of paper, of any quality provided it be not creased or crumpled, should be placed underneath the sheet on which the drawing is to be made, otherwise the surface of the paper is too harsh for freedom of drawing, and any roughness that may exist on…
Drawing · Perspective
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
