BOILERS FOR MARINE PURPOSES . 59 power . So it will be seen that circular arrangements can be placed in almost as little space as ordinary marine boilers . … Fig . 34 . — High - pressure Double Boilers . Transverse and Longitudinal Sectlons . a . A , Furnaces . b , Combustion chamber . cc,Tubes . DD , Smoke - boxes . EE,Uptakes . f , Separateuptake . Some are arranged for only two furnaces in each single boiler , with tubes overhead as in the previous…
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