the flow of then apply the bend to the upper and left threads of the expedites the expulsion of the air. steam along the base and forces it in a continuous stream same two pipes, and screw them up simultaneously with a Fig. 12 shows stack of cast_iron extended surface radiators through the pipes… … tive return bend radiators. Fig. 3 can be used as a vertical Sheet iron radiators are used in very low-pressure heating, radiator only, but Fig. 4 can be used in any position from tors to keep the boys at work when in the shop, should count the commonest form of which is the flat Russia iron…
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