. The Florists' exchange : a weekly medium of interchange for florists, nurserymen, seedsmen and the trade in general. The formula is R g, in which we have r= (600 — 40°) g = Glass roof 3i x 20°. t = (200° — 60°) = 140°. X (of whole surface for glass) ^ Glass windows in side, 132 X 3 Glass equivalent, 2 ends ( wood work), 740 x Vio Glass equivalent, 3 sides (wood work). 530 X Vio 1900 aq. 74 • Or say Then substituting in formula we have20 . sq. ,300 sq. ft. R-- 140 X = square feet. Elevation Showing Piping. surface was necessary, we next proportion the size of
. The Florists' exchange : a weekly medium of interchange for florists, nurserymen, seedsmen and the trade in general. The formula is R g, in which we have r= (600 — 40°) g = Glass roof 3i x 20°. t = (200° — 60°) = 140°. X (of whole surface for glass) ^ Glass windows in side, 132 X 3 Glass equivalent, 2 ends ( wood work), 740 x Vio Glass equivalent, 3 sides (wood work). 530 X Vio 1900 aq. 74 • Or say Then substituting in formula we have20 . sq. ,300 sq. ft. R-- 140 X = square feet. Elevation Showing Piping. surface was necessary, we next proportion the size of our pipe to maintain a uni-form rate of velocity of flow, and I would caution the builder in the use of mani-folds, as they divide up the flow, causing more friction, and the biancheowlll nevermaintain the same velocity. Using manifolds also reiiuires larger mains. Mani-folds are all right for steam heat, but for hot water use coils. Place under eachbed a coil of 1%-lnch pipe, the internal area of which is square inches. 3 coils, 4 li/a-inch pipes B2 feet long, 744 feet; 2 feet to a square foot of external heating surface 744 H- 2 372 eq. ft. heating surface. Drops, 1, 3 feet, 1, 3 feet 6 inches, 1, 3 feet 9 inches, of IVa pipe -. = -H 2 = 5 sq. ft. heating surface. Flow and returns each feet = feet 11/2 pipe -^ 2 = 12 sq ft heating surface. Ilow and returns each 1 feet = 24.(5 feet 2i/> pipe -^ = 19 sq. ft. heating suriacc. Flow and returns each 2 feet = 4 feet 3-inch pipe -
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectfloriculture, bookyea
