Advance
Cupola Smelting
Using a cylinder-shaped furnace, this method provides a cheap and efficient process of smelting iron, with the unique ability of continuous smelting.
Hot Blast FurnaceAdvancerequiresAdvance tree
Industrialization- Hot Blast Furnace
- Cupola Smelting
Putrefaction Mill
Steam Engine then 6 more
Tannery Mill then 1 more
Weapon Factory then 2 more
Modifiers
Lead Output+100%
Definitionin_game/common/advances/0_age_of_revolutions.txt:441
443icon = serbian_mining