Smokebox
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A smokebox is one of the major basic parts of a steam locomotive exhaust system. Smoke and hot gases pass from the firebox through tubes where they pass heat to the surrounding water in the boiler. Th
The smokebox (outlined in red) of Soo Line 1003.
LNER Thompson Class B1 61264 at Crown Point TMD. The smokebox can be clearly seen, with the number affixed to the smokebox door.
A smokebox with ash residues
Model steam locomotive showing spark arrester mesh
Chimney (locomotive)
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The chimney is the part of a steam locomotive through which smoke leaves the boiler. As well, steam locomotive exhaust systems typically vent cylinder steam exhaust through the chimney, to enhance the
Smokebox
…tubes where they pass heat to the surrounding water in the boiler. The smoke then enters the smokebox, and is exhausted to the atmosphere through the chimney (or funnel). Early locomotives had no smokebox and relied on a long chimney to provide natural draught for the fire but smokeboxes were soon included…
Great Western locomotives with their distinctive copper-rimmed chimneys
The new-build steam locomotive Leviathan, a 4-4-0 with a large spark-arresting chimney