AdvanceChanged this version
Bohemian Crystal
There are very few workshops in the known world with the capacity to craft glass and crystal with the same quality and clarity as ours, let alone rival our superior production techniques.
BohemiaCountrypotentialAdvance tree
The game files don’t say where this goes: it has no requires, so the game places it in the 
Discovery tree itself.
Modifiers
Glass Output+20%
Monthly Prestige+0.1
Definitionin_game/common/advances/country_BOH.txt:49
51icon = bohemian_crystal