Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 281
and draw tlie slant hne D 4/ At right angles to D 4 placea section of the common bar as shown by E, thj-ough which draw linesparallel to D 4, intersecting the curb sho^T, from a to f at the bottomand the inside section of the ventilator from F to G at the top. At 225 146 SHEET METAL WORK pleasure… … Fig. 175.tion gutters of the common bar E are cut out at the bottom at 5 Cwhich allows the drip to go into the gutter d e f oi the curb and passout of the opening indicated by the arrow. Number the corners ofeach half of the common bar section E as shown, from 1 to 6 on each side, tlirough which…
Architecture · Building · Carpentry
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