Edwin Ruud etwin band "occurs when the year 1854 a.d. is the year rakhrueang and Villa is characterised by the people of Norway to involve refugees to the United States, where he has invented artificial water heater in. 1889 after they opened a factory to manufacture water heaters sold by using the name ' The water heater Water Heater Instantaneous Automatic Ruud ' which have become extremely popular at the time. Fifty people have circles as well to draw a different line up but different total purchase. Ed video prize.1904 - St. Louis World's Fair Give the gold medal to his invention (hot water)K-Franklin Institute awarded medals to his water heater.For the working mechanism of the hot water first and then relies on large coils of heat conductors. Thousands around the injection tube into the machine by using the heat from the charcoal fire at a central machine. Cold water through hot coils are changes to hot water, which is the underlying mechanism to produce hot water, electric current.
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