Handy man book plumbing and heating encyclopedia (1922)
Hardin-Lavin Co. · Hardin-Lavin Co. · leaf 214
ntents (1-55 for rooms on upper floors; 2-55 for rooms on first flooiand 3-55 for large halls); then for steam multiply by .25 and for hotwater by .40. EXAMPLE—A room 20x12x10 ft. with glass exposure of 48 ft., %of wall exposure (two sides exposed), 320 ft. ss 80, 1-55 of 2,400 = 44.48 + 80 + 44 =… … £-914. Showing- proper methodto connect steam main in base-ment with steam radiator on firstfloor. Ti-915. Showing- proper methodof connecting hot water main andreturn in basement with hot waterradiator on first floor.
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