Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 389
tug 6H.00K/ nou/e- we/T ^e.DPOfto ^* value. The white of the paper untouched by the pen ^white value. Fig. 5 shows only two values—black andFig. 6 also has two,—grayand white; Fig. 7 has thethree,—black, gray and white.The first is harsh, the secondis pale, and the third seemsmost satisfactory.… … Fig. 5. BLACK AND WHITE.
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
