Bruce Velde, Directeur de Recherche Emérite CNRS, Laboratoire de Géologie, CNRS UMR 2385 – ENS (École normale supérieure) Paris (France)
Roman blown glass compositions:
following supply patterns in the manufacturing chain
Figure 5. Ca-Na relations for glass fragments from different workshops.
CaO-Na2O relations for workshops cited in text and urban finds compared to a large selection of Roman glass find compositions (references as in Figure 2).
