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Georg Helmer
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Individual
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10,887. Helmer, G. May 12. Air, heating. - An apparatus for heating the air of rooms, hospitals, and the like is shown in Fig. 1. The air pipe f is provided with the funnel f at the lower extremity, and may have a damper g at the upper end f<2>. The pipe f passes through the flue-pipe a, which is connected with the pipe leading to the chimney and with a stove or fire by the short pipe a<1>. A partition d in the pipe f causes the gases to circulate up and down, and removable cleaning-covers h, h<1>, h<2> are fitted to the pipes.
GB190210887D1902-05-121902-05-12Improvements in Apparatus for Heating the Air of Rooms.
ExpiredGB190210887A
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