Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 164
135 STEAM AND HOT WATER FITTING boilers have grates ranging generally from 18 inches to 30 inchesdiameter, and are rated from about oOO scjuare feet to 1,000 scjuare feet, or more. The boilers above described have the disadvantage of not beingcapable of having their grate surface increased by… … Fig. 2. SiiuiU Low-Pressure Steam Heating Boiler. anywhere from 500 to 5,000 sciuare feet of surface, or more, are madeup of vertical sections, as in Fig. 4, connected either by slip nipples orby drums and nipples with long screws and lock-nuts. Yery many slip-nipple boilers are now being…
Architecture · Building · Carpentry
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