Handy man book plumbing and heating encyclopedia (1922)
Hardin-Lavin Co. · Hardin-Lavin Co. · leaf 183
in. 23-in. 20-in. 2%-ln. Height Height Height Height Height Height per Sec. g 4 3% 2% 1% 2 sq. ft. sq. ft. tq. it. sq. ft. sq. ft, sq. ft. per Sec. per Sec. per Sec. per Sec. per Sec. per Sec. 2 5 10 8 6% &% 4% 4 3 7% 15 12 10 8 7 6 4 10 20 16 13 y3 10% 9% 8 5 12% 25 20 16% 13% 11% 10 6 15 30… … HEATING SURFACE—SQUARE FEET No. 45-In. 38-in. 32-in. 26-in. 22-in. ofSec- Length2%-In Height ■ 6 Height5 Height4% Height3% Height8 tions per See. gq. ft. SQ. ft. sq. ft. SQ. ft. sq. ft. per Sec. per Sec. per Sec. per Sec. per Sec. 2 5 12 10 9 7% 6 3 7% 18 15 13% 11% 9 4 10 24 20 18 15 12 5 12% 30…
Plumbing · Heating · Ventilation · And air-conditioning · Bathrooms -- trade · Lavatories and sinks · Bathtubs · Ceiling ventilators · Water heaters · Steam and condensate piping and pumps · HVAC ducts and casings · Air duct accessories
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