. Cyclopedia of architecture, carpentry, and building : a general reference work .... Fig. , then make the distance C D equal to S inches which is one-thirdof 24 inches, 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 draw the section of the outside vent shown from h to I and thehood shown from m to p. X represents the section of the brace


. Cyclopedia of architecture, carpentry, and building : a general reference work .... Fig. , then make the distance C D equal to S inches which is one-thirdof 24 inches, 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 draw the section of the outside vent shown from h to I and thehood shown from m to p. X represents the section of the brace restingon i j to uphold the hood resting on it in the corner o. The condensa-. Fig. 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 draw linesparallel to D 4 imtil they inter-sect the curb at the bottom asshown by similar numbers 1 toG, and the inside ventilator at thetop by similar figures 1 to completes the one half-sec- tion of the skylight. Fiom thissection the pattern for the com-mon bar can be obtained withoutthe plan, as follows:


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Keywords: ., bookcentury1900, bookdecade1900, booksub, booksubjectarchitecture