- specular gypsum
- specular gypsum (specular stone) Gipsspat m, Marienglas n
English-German dictionary of Architecture and Construction. 2013.
English-German dictionary of Architecture and Construction. 2013.
SPECULAR — a Speculo differt, illud enim Graece διόπτρα, per quod videtur; hoc issdem κάτοπτρον, quô videtur: illud διάφασιν, hoc ἔμφασιν facit. Et quidem Specularia dicebantur, quibus lumen in cenacula inferebatur, et Sol admittebatur in aedes, ut hodie… … Hofmann J. Lexicon universale