There was a famous incident with the Johnson Wax building, where Wright had designed Some concrete support columns which the building code authority was relucta

There was a famous incident with the Johnson Wax building, where Wright had designed Some concrete support columns which the building code authority was reluctant to approve, so Wright tested one by loading it up with 60 tons of sand, 5 times the structural load it was required to bear. http://evstudio.com/johnson-wax-building-concrete-and-glass-tube-technology/ http://evstudio.com/johnson-wax-building-concrete-and-glass-...