Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 378
s by multiplying by 8.3, and multiply the result by the risein temperature to obtain the number of thermal units. Assuming acombustion of five pounds of coal per square foot of grate, and an 306 PLUMBING S3 efficiency of 8,000 thermal units per pound of coal, we have the formula: „ , , . „ Gal. per… … itiTX COLO V^AT£Ft SUPPLY
Architecture · Building · Carpentry
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