Spiral staircase from the Curtis Bok house

Spiral staircase from the Curtis Bok house
  • Title :     Spiral staircase from the Curtis Bok house
  • Artist:     Wharton Esherick Designer
  • Accession:     TD1989.167.1
  • Country:     United States Gulph Mills Pennsylvania
  • Date:     1935
  • Dimensions:     Inches 115, Centimeters 292.1
  • Collection:     Object
  • Category:     Interior Design
  • Subject:     Architecture/Architectural Design , Interior Decoration
  • Credit Line:     The Wolfsonian–Florida International University, Miami Beach, Florida, The Mitchell Wolfson, Jr. Collection
  • URL:     TD1989.167.1.JPG
  • Tags:     Architecture~Interior Design
Pine wood corkscrew-like spiral staircase; bottom step forms a circle; top step forms a triangle; intermediate steps spiral progressively from the bottom to top step, accomplishing the required reversal in direction without landings. Each step or tread (surface of stair) is supported by the one below; outer edge of staircase supported in space by a stout steel band let into the wood and attached to the wall near the bottom and at midheight. Steel handrail at three heights along outside edge.