Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 245
Copper heating coils … Fig. 203. A Eras heating coil ri(;.204. Hot-water heater gases from the furnace must pass, as indicated by the dotted arrows,over a roundabout path, in the course of which they give up the majorpart of their heat to the steel walls of the jacket, which in turn passit on to the air which is on its…
Physics
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