“[Historically] display cases with thick wooden frames were the staple of most museum collections, providing security and protection from theft and damage. In conjunction with poor lighting, the glass of these cases meant that many exhibits were difficult to see… — Philip Hughes Copy Share Image
In Sparta, paintings have been taken out of certain walls by cutting through the bricks, then have been placed in wooden frames, and so brought to the Comitium to adorn the aedileship of [C. Visellius] Varro and [C. Licinius] Murena. — Marcus Vitruvius Pollio Copy Share Image