WilliamDiehl Wrote:
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> Casey Akin Wrote:
> ==================================================
> =====
> > What is the "appliance" that runs up the smoke
> box
> > and to the stack? Is this a form of stack
> > mister?
> >
> > Casey
>
> Air Compressor Exhaust....
Yes, 487 was the only one with that feature. It was put on in the 1960's. No one seems to know why. There is a bracket on the smoke box to hold the pipe and a "T" in the exhaust pipe under the running board.