Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 111
Fig. 20. 87 28 SHEET-METAL WORK is indicated by A in Fig. 22. In this problem the cone method isemployed, nsing principles similar to those nsed in d(!veloping afrustum of a cone intersected by any lint;. Therefore in Fig. 23 let … Fig. 21. A B represent the -piiTt i)lan of the tank, C jDortion of the faucetextending back to the tank line, and F G H I the conical bossto fit around a faucet. Whendrawing this problem make theradius of the tank D A equalto 3^ inches, and from D drawthe vertical line D E. Makethe distance from G…
Architecture · Building · Carpentry
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