Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 166
. Now, boilers with42-inch, 4S-inch, andeven wider grates, arecommon. Selection of Boilers.It is well in selectino; aboiler, to see that theproportion of heatingsurface to grate surfaceis not less than 16 to 1,and in large boilers not ris. 3. steam Heating Boiler, less than 20 to 1; that the… … and that the water line is not broken into too manv small areas involv-ing the likelihood that water will be lifted by rapid evaporation andwet steam result. See to it, also, that the ash-pit is deep, and thatthe grate is of a design that will permit convenient operation of theboiler. On large…
Architecture · Building · Carpentry
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