nice,we had one growing up and for some reason at about 10 to 11 yrs old I was attracted to it and always looked at the pictures. As I got older I started to read it but it was way over my head. (still is).
Lol, yours is in colour!
I have an Audel's plumbing, refrigeration text book that has a copyright date of 1932. Carbon Tet and ammonia is all the rage with just a chapter for that new "freon" product... R-12
It also goes into great detail on how to apply asbestos furnace cement to new boiler installs using your hands