ary , as the flame has always a natural tendency to take the nearest cut to the funnel : thus , when the combustion chamber is made wide at the furnaces and narrow at the extreme end the flame and gases are more equally distributed through the tubes . The tube plates are placed at an angle , for… … Fig . 33 . — Low Boiler for Despatch Boats . Transverse placed no higher than on a level and Horizontal Sections . A A , Furnaces . B B . Combus - tionchambers . cc , Tubes . dd , Smoke - boxes . e , Uptake . with the top of the furnaces . The high and low pressure combined engines necessitate a…
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