New archaeological discoveries reveal birch bark tar was used in medieval England

Scientists from the University of Bristol and the British Museum, in collaboration with Oxford Archaeology East and Canterbury Archaeological Trust, have, for the first time, identified the use of birch bark tar in medieval England – the use of which was previously thought to be limited to prehistory.
Source: University of Bristol news - Category: Universities & Medical Training Tags: Research; Faculty of Science, Faculty of Science, School of Chemistry; Press Release Source Type: news