The handedness of historiated spiral columns.

摘要: ABSTRACTTrajan’s Column in Rome (AD 113) was the model for a modest number of other spiral columns decorated with figural, narrative imagery from antiquity to present day. Most these wind upwards right, often congruent staircase within. A brief introductory consideration antique screw direction mechanical devices and fluted suggests that former may have been affected by handedness designers latter preference symmetry. However, historiated are main focus this article, determining factor likely script direction. The manner which operated is considered, as well competing mechanisms might explain exceptions.A related phenomenon reversal non-trivial reproductions columns, Roman coinage Renaissance baroque drawings engravings. Finally, consistent inattention academic literature co...