Pretty arts for the employment of leisure hours : a book for ladies (1879)
Davidson, Ellis A., -1878 · London : Chapman and Hall · leaf 120
Pretty Arts for Leisure Hours. io6 This would of course not always be the case, the height of the columns might each be different from the other, and they might vary in their distance to the … right or left, but so long as one of their lines is parallel to the plane of the picture, all lines at right angles thereto would converge to the point of sight.
Handicraft · Decorative arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
