Design for a double-curved staircase, consisting of an elevation on the upper half of the drawing and a plan view below. On the top portion of the design, a central straight staircase is shown ...

Plan and elevation of spiral staircases. Details on lower portion of the design. Credit Line Gift of Eugene V. and Clare E. Thaw Date January 1887 Accession Number 2007-53-2 Restrictions & Rights ...

View full weather report. Summer Sale - Start Today for $1 - Expires 6/30/25. Exterior spiral staircases look stunning and save space in backyards. Updated: Mar. 19, 2011, 10:00 a.m.

A spiral staircase made of concrete rises through the centre of an open-plan office designed by architecture studio Hildebrand in Steinhausen, Switzerland. Winding its way up the building's four ...