Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 269
217 138 SHEET INIETAL WORK anothe/ form of skylight formed in one piece and riveted at B;a shows the height at the lower end. In the previous figures the frameon which the metal curb rests is of wood, while in Fig. 159 the frame is
Architecture · Building · Carpentry
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