Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 388
Fig. 5. BLACK AND WHITE. … Fig. 6.QRAY AND WHITE. Fig. 7.BLACK, GRAY AND WHITE, 3X8 10 KENDEliING drawiiu- nvIrmt you can locate this black; you are not likely to fj;ettoo much of it. Let the half tone or gray be rather light, mid-way in strength between white and black. A heavy half tone is
Architecture · Building · Carpentry
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