Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 68
)ounds of coal per hour, and 24 -r- 4= G, which is the best rate of com-bustion to employ; therefore 60 h- 6= 10, the grate area required. There are many different designsof cast-iron boilers for low-pressuresteam and hot-water heating. In gen-eral, boilers having a drum connected nipples with each… … Fig. 14. Another Type of SeotidiKilBoiler. Here there arenodriniis,the sections being directlj-conneeted through open-ings at top and bottom.Courtesij of Ainerican Eadiator Co. dryer steam and hold a steadier water-line than the second form, especiallywhen forced above their normal ca-pacity. The…
Architecture · Building · Carpentry
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