Research into the intensified combustion of iron ores
- New techniques allow you to build Blast furnaces.
Access
- Cast iron appears, on Technologies, after you invest Knowledge in Science or Economy or Military.
- You can research the technology, after you invest the required Knowledge.
Research
- You can research Cast iron, on Technologies, after you invest the required Knowledge.
- Effects of the technology appear after you research it.
Effect
- Effects of the technology, appear after you research it.
- Allows you to build a Blast furnace on Buildings.
| Neutral technologies |
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| Architecture | Cast iron | Cement hydration | Construction | Contracts | Electricity | Expansion | Industrial revolution | Logistics | Masonry | Metalwork | Organization | Packaging | Pyroprocessing | Quenching | Sea captain | Safe storage | Steam engine | Underground storage | Woodwork |