Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 387
Fig. 4.FEEE LINE METHOD. Fig. 3.VERTICAL LINE METHOD. ow at the bottom of thedrawing each line is em-phasized at the top by a^^ slight pressure, and made■p^ thin at the lower end inorder to soften off theedsfes of the drawincras awhole. Free Lines. Fig. 4shows another method.The vertical line is…
Architecture · Building
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