Dr Marco VERITÀ, Stazione Sperimentale del Vetro, Venice (Italy)
Italian window glass chemical composition from the Roman time to the 18th century
Table 1 – Provenance, dating and compositional grouping of the analysed samples
(in parentheses the number of samples belonging to each group).
| Provenance | Dating (century) | Grouping (n. of samples) |
|---|---|---|
| Pompei | 1 | Na1 (2) |
| Lombardia | 5-7 | Na1 (20) |
| Farfa, S. Vincenzo Volturno | 8-9 | Na1 (18) |
| Venice lagoon | 9-11 | Na1 (12), Na2 (4) |
| Genova | 12-13 | K1 (5) |
| Florence, Giotto | 13 | K1 (2) |
| Perugia, G. da Bonino | 14 | K1 (2), Na2 (2) |
| Orvieto | 14-16 | K2 (15), Na2 (7), Na3 (6) |
| Assisi | 14-15 | K1 (2), K2 (12), Na2 (7) |
| Venice, S.Giovanni Paolo | 15 | K2 (5), Na2 (6) |
| Pavia, Carthusian | 15 | K1 (13) |
| Rome, S. Maria del Popolo | 16 | Ca (8) |
| Perugia, Dome | 16 | Ca (8) |
| Florence, Bibl. Laurenziana | 16 | Ca (10) |
| Florence, Bibl. Laurenziana | 18 | Na4 (3) |
| Venice | 17-18 | Na4 (7) |
