Hand-Book of Shading and Advanced Perspective Drawing

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The beauty of the result will depend upon' the soft ness, regularity, and parallelism of the lines. To produce a darker tint, the lines may be made heavier, or be placed closer together, as in a and b, Fig.