No discount is given on hard woods in many of the large eastern cities at present—oak, birch, and the like being figured net. For walnut, mahogany, and other high-priced woods, a special price is set, depending on the market and the local prices. =84. Cost of Window Frames and Windows.=—The following is approximately the cost of a window frame with two 28" × 28" lights, where all mill work is priced at ₆₅/₁₀₀ cent per square inch per foot: COST OF WINDOW FRAME Jambs at head, ⁵/₄" × 5" × 16' $ .65 Sill, 2" × 5" × 4' 0" .26 Sub-sill, ⁵/₄" × 6" × 2' 9" .14 Blind stop, 1" × 2" × 16' 0" .21 Parting stop, ½" × 1" × 16' 0" .11 Outside casing, ⁵/₄" × 5" × 12' 0" .49 Head casing, ⁵/₄" × 7" × 4' 0" .23 Rabbeted cap, ⁵/₄" × 4" × 4' 0" .13 Molding under cap, 1" × 3½" × 4' 6" .11 Sill nosing, ⁵/₄" × 4" × 4' 0" .13 Inside casing, including apron, 1" × 5" × 20' 0" .65 Back band, ⁵/₄" × ⁵/₄" × 16' 0" .17 Inside stops, ½" × 2" × 14' 0" .10 Four sash pulleys, at 3 cents per pulley .12 Making frame, 1 hour, at 40 cents per hour .40 ----- Total $3.90 The cost of setting and casing such a window frame is about 70 cents. The total cost of the frame set in place is therefore $3.90 + .70 = $4.60. The cost of the frame per square foot of light is therefore $4.60 × 144 ----------- = 43 cents 2 × 28 × 28 =85.= The cost of an ordinary window with two 28" × 28" lights may be estimated as follows: COST OF SASH IN PLACE Cost of two sash, ⁶/₄, double-hung, glazed with single-thick American glass $2.10 Sash weights, 30 pounds, at 2 cents per pound .60 Cord, 22½ feet, at 1 cent per foot .23 Two sash lifts, at 5 cents each .10 Sash lock .15 Setting and hanging sash .35 ----- Total $3.53 If double American instead of single American glass is used, the cost just given should be increased by $1. If the sash is glazed with single American glass, the cost per square foot of light will be $3.53 × 144 ----------- = 33 cents. 2 × 28 × 28 Therefore, the total cost of window and frame in place is 43 + 33 = 76 cents per square foot. If the sash is glazed with double American glass, the cost per square foot of light will be $4.53 × 144 ----------- = 42 cents. 2 × 28 × 28