Periaktos

Periaktos (plural form Periaktoi, from Greek revolving) is a device used for displaying and rapidly changing theatre scenes. It was first mentioned in Vitruvius` book on architecture, De architectura (c. 14 BC) but its most intense use began in Renaissance theatre{Disambiguation needed|date=February 2014}, as a result of the work of important the....
Found on http://en.wikipedia.org/wiki/Periaktos

periaktos

ancient theatrical device by which a scene or change of scene was indicated. It was described by Vitruvius in his De architectura (c. 14 ) as a ... [2 related articles]
Found on http://www.britannica.com/eb/a-z/p/44
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