geometrical stair

geometrical stair

A winder stair in which the outside of the winders is supported by walls forming three sides of a rectangle, and the inner side is unsupported and without a newel post. See also: Stair
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

geometrical stair

geometrical stair
A stair constructed around a stairwell without the use of newels at the angles or turning points.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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