Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 164
boiler, therebypermitting this water to flow down into thereturn pipes and through check-valves C intothe boiler, raising the water-line, and again cov-ering tube end F and protecting it against thepassage of steam by water seal. After the discharging process, the steamwhich displaces the water in… … Fig. 109, Vapor Union Elbow as Used in Eroomell System of Heating. Pig. 108. Section of QuintupleValve Used in Eroomell Sys-tem of Heating. to be forced into this receiver, at the same timerelieving them of any pressure and puttingthem under the same partial vacuum conditions 138 HEATING AND…
Architecture · Building
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