There's magical transport stuff like trains and some extremely rare special buildings or items that produce a lot of a specific good. There's also some very rare resources like magic crystals that produce a lot of mana which could support overpowered production, transports, or weapons until you run out of the crystals. Like 10x what you could do otherwise but there's only enough crystals in the deposit for 10 years, as an example.
With the game ending in 1900, is there an early industrial revolution, if not a full-blown one?
Sort of with magical stuff, but it is very limited.
What kind of things exist specifically?
There's magical transport stuff like trains and some extremely rare special buildings or items that produce a lot of a specific good. There's also some very rare resources like magic crystals that produce a lot of mana which could support overpowered production, transports, or weapons until you run out of the crystals. Like 10x what you could do otherwise but there's only enough crystals in the deposit for 10 years, as an example.