Here she is, and definitely in service in this undated photo.
She has steam supplied while standing in makeup.
A classmates grandfather was an engineer, not train driver but a mechanical engineer, for the Santa Fe. I was able to acquire a paper he wrote on front end design of locomotives. All about draft through the flue.
There is another paper about how to buy coal. They did road tests with a dynamometer car carefully measuring ton miles of tractive force per lb of coal, ash and so forth. Real honest to goodness thermodynamic engineering.
Here she is, and definitely in service in this undated photo.
She has steam supplied while standing in makeup.