. Cyclopedia of architecture, carpentry, and building : a general reference work .... 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 to H equalto 2|- inches, the diameter of thefaucet F I 14 inches and thevertical height K. C 1| inchesDraw a line from G to H inter-secting the center line D E at using K as center describethe half section G

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. Cyclopedia of architecture, carpentry, and building : a general reference work .... 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 to H equalto 2|- inches, the diameter of thefaucet F I 14 inches and thevertical height K. C 1| inchesDraw a line from G to H inter-secting the center line D E at using K as center describethe half section G J H asshown. Divide J H into equalparts shown from 1 to 4, fromwhich drop vertical lines intersecting the line G H as shown,from which draw radial lines to the apex E cutting the i^lan line. oo 88 SHEET-METAL WORK 29 of the tank A B as shown. From these intersections draw hori-zontallines intersecting the side of the cone HI at 1, 2, 3, use E as center, and with radius equal to E 1 dLscribe the -ID

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