Model of a Boiler for Steam Locomotives

Model of a Tubular Steam Boiler, a Variation on NG-MC-1162. Two Fireboxes Are Separated by a Space Through Which Pipes Run Connecting the Fireboxes. With a Valve at the Front, the Air Supply of One Firebox Can Be Regulated. The Combustion Gases Flow Through the Pipes to the Space Above the Other Firebox, Whose Bottom Is Sealed to Ensure Air Supply Only Through the Valve of the First Firebox. The Gases Are Then Led via Pipes to the Chimney to Be Connected at the Front. The Remaining Space in the Model Is for the Boiler Water.