List of ancient spiral stairs
The list of ancient spiral stairs and includes a selection of Greek and Roman spiral staircases from antiquity. The spiral staircase is a staircase shape, the relatively late found its way into the architecture due to their complex helical structure. Although this staircase form can be traced back to the 5th century BC, it is only the establishment of Trajan's Column in Rome characterized the style that causes their final breakthrough in Roman architecture.
In addition to the Victory Column in the imperial capitals of Rome and Constantinople Opel also temples, basilicas and mausoleums were provided with spiral staircases. In the fortifications they were, however, unlike medieval castles not in appearance, provided can be generalized in the towers of the city walls of Rome their absence. In late antiquity, we proceeded to move to the staircase in your own stair towers on the outer wall of the central building, such as in the church of San Vitale.
Construction and use of spiral staircases are taken from the Christian and Islamic architecture.