Keywords: Ships stokehold with superheated Scotch boilers, side section (Rankin Kennedy, Modern Engines, Vol V).jpg Side section through the stokehold boiler room of a steamship fitted with a pair of coal-fired Scotch boilers each fitted with steam superheaters and air preheaters in their uptake trunks Section_through_ships_stokehold_with_superheated_Scotch_boilers _transverse_section_ Rankin_Kennedy _Modern_Engines _Vol_V jpg Scotch marine boilers Superheaters Marine boilers Marine propulsion Engine rooms Steamships |