[glinscott]

Btw, some great books on Steam locomotives/engines:

https://www.amazon.com/gp/product/B07NQ9JG2M - American steam locomotives 1880–1960. The author of drove locomotives, and was the transportation curator at the Smithsonian Museum. He wrote it over 30 years, and you can tell the amount of care and detail he put into with the details and history.

https://www.amazon.com/gp/product/B003UYU1PC - How Steam Engines Really Work, provides a modern perspective on the important systems and concepts for steam engines.

https://www.amazon.com/gp/product/B072BFJB3Z - The Perfectionists: How Precision Engineers Created the Modern World. Talks about how precision engineering was critical to the invention and wider use of steam engines.