Glass smelter
Building details
Cost Gold coins 1200 · Wood 10
Tools 5 · Stone 12
Maintenance (Inactive) Maintenance cost 30
Produces Glass Glass
Prerequisite Patricians 510 patricians
Optimal build Potash 4 Forest glassworks and Quartz 3 quartz quarries for every 8 Glass Glass smelters (only a 75% workload of one quartz quarry is required)

This building requires potash and quartz, and it produces glass, which is required for most Noblemen-level buildings.