Advance
Coke Smelting
The invention of coke smelting, specifically its application in Iron and Steel production, is closely tied to the Industrial Revolution. Iron and Steel are currently produced using traditional methods like charcoal smelting, whereas this new method will result in improved output and reduced maintenance costs.
EnglandCountrypotential
Great BritainFormable Countrypotentialunlocked_advance_coke_smeltingVariableallowAdvance tree
The game files don’t say where this goes: it has no requires, so the game places it in the 
Absolutism tree itself.
Modifiers
Tools Output+25%
Definitionin_game/common/advances/country_ENG.txt:179
187allow = {
188custom_tooltip = {
189text = unlocked_advance_coke_smelting_tt Has had the The Contributions of the Darby's Dynamic Historical Event
}
}
194allow_children = no