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Belpaire firebox
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The Belpaire firebox is a type of firebox used on steam locomotives. It was invented by Alfred Belpaire of Belgium in 1864. Today it generally refers to the shape of the outer shell of the firebox whi
Diagramatic cross section of the Belpaire fire box showing the increased area for evaporation and larger volume of water contained in the square section above the box. The hatched circles show the outline of the barrel to which the firebox was attached.
Diagramatic cross section of the Belpaire fire box showing the increased area for evaporation and larger volume of water contained in the square secti
A Round-topped firebox cross section shown for comparison. Note the angling of the stays.
A Round-topped firebox cross section shown for comparison. Note the angling of the stays.
Pacific-type flat-topped inner firebox
Pacific-type flat-topped inner firebox
A Victorian Railways J class Belpaire firebox and boiler, in storage. A second firebox can be seen behind.
A Victorian Railways J class Belpaire firebox and boiler, in storage. A second firebox can be seen behind.
Great Northern Railway (U.S.)
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The Great Northern Railway was an American Class I railroad. Running from Saint Paul, Minnesota, to Seattle, Washington, it was the creation of 19th-century Canadian–American railroad entrepreneur Jam
Belpaire firebox
…The distinctive square shape of the boiler cladding at the firebox end of locomotives practically became a "Pennsy" trademark, as otherwise only the Great Northern used Belpaire fireboxes in significant numbers in the USA. Wootten firebox…
The Empire Builder traveling through Glacier Park Montana. (1947)
The Empire Builder traveling through Glacier Park Montana. (1947)
GN's 4-8-4 S-2 "Northern" class locomotive #2584 and nearby sculpture, U.S.–Canada Friendship in Havre, Montana
GN's 4-8-4 S-2 "Northern" class locomotive #2584 and nearby sculpture, U.S.–Canada Friendship in Havre, Montana
William Crooks in 1939 with the Great Northern logo above the drivers
William Crooks in 1939 with the Great Northern logo above the drivers
A Great Northern H class pacific with a Belpaire firebox. Belpaire fireboxes were rare in the US, but the Pennsylvania and Great Northern both had loc
A Great Northern H class pacific with a Belpaire firebox. Belpaire fireboxes were rare in the US, but the Pennsylvania and Great Northern both had locomotives featuring them in significant numbers. They were mostly manufactured by or to Baldwin specifications. (1914)