With brush and pen : suggestions for some of the newer phases of public school art instruction (1897)
Hall, James, 1869-1917 · New York : The J. C. Witter Company · leaf 61
The left-hand portion has been darkened by going over.Oblique lines seem the easiest to draw, and for thatreason have been used in this first practice. It shouldbe noted in the examples given that the lines are notperfectly straight or parallel, but are freely drawn. Thisis one of the most…
Art
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.