| trass |
A light coloured volcanic ash used in hydraulic cement. Trass is similar to pozzolana, but is found in Germany, France and the Netherlands.
Museum of Fine Arts, Boston (2000). [J. Cassar, R. de Angelis]. |
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note: Antonio De Vecchi, Giovanni Fatta, Glossario per rivestimenti ad intonaco, Palermo, Arti Grafiche Siciliane 1992. |
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| italiano |
| trass |
| francese |
| trass |
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