Published online by Cambridge University Press: 02 January 2015
Dunmisk fort (Co. Tyrone), in Northern Ireland, has produced the first evidence recognized in early medieval Europe for the making/modification of glass using primary raw materials. Going beyond the evidence for glass-working – the softening of glass to form and decorate artefacts – a series of sophisticated industrial processes can be identified, and shows that not all glass was imported to Early Christian Ireland.