Tyrone Crystal
Tyrone Crystal was a crystal manufacturing company in Dungannon, County Tyrone in Northern Ireland. == History == Glass-making and -decoration in County Tyrone can be dated back to the early medieval period, where Dunmisk outside Carrickmore was a centre for manufacture and provides the first evidence of glass work in Europe Modern glass work dates to 1771, when Benjamin Edwards founded a company in County Tyrone, Ireland.