Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 129
A. Trace thishalf pattern opposite the line G F. Then will B A G A^ B^ 8^ 2 p-— E2 10 OH Fig. 3& 9 F 9 8 be the pattern for the front half of the pail. If f^rany reason the pattern is desired in one piece, then trace one-half of D^ D2 E^ E^ in Fig. 32 on either side of the pattern inFig. 37 as… … While the reguUir Emerson ventilator has a flat disc for ahood it is improved by placing a cone and deflector on the topas shown. To make the iDatterns, proceed as shown in Fig. 38.First draw the center line a 5, on either side of which lay off 102 SHEET-METAL WORK 43 1| inches, making the pipe A,…
Architecture · Building · Carpentry
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