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 88
hould be connected into theside of the main return. It was a former practice of many fitters totake the branches from the top of the main; but,since each direct right-angle turn as afforded byn 90-degree elbow and top main connection in- HEATING AND VENTILATION 67 creases the friction in the… … Fig. 38. Basement Plan of Piping in Two-Pipe System of Hot-Water Heating. the circulation is indicated by the arrows, whichshow the supply of hot water from the heaterflowing towards the radiators, and the coolerreturn water flowing back to the heater to bereheated. Heating engineers are agreed on…
Architecture · Building
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