Coopers, shipbuilding, stonemasonry, blacksmithing? There are a lot of highly evolved arts (emphasis on art) that, through lack of subsequent generations of jo

Coopers, shipbuilding, stonemasonry, blacksmithing? There are a lot of highly evolved arts (emphasis on art) that, through lack of subsequent generations of journeypeople and/or commercial need... just sort of disappeared (at least in high art form).