14), but larger, and in it the pigs of iron, lying on the bottom or hearth, are melted down by the flame from the coal which burns in the firebox.
boiler cladding replaced, except over the firebox, with new lagging.
Leon Salter rolls out the metal to make a new firebox cladding band.
Unfortunately firebox problems led to premature withdrawal and a further period of storage as a static exhibit at Carnforth.
ferrules at the firebox end.