Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 377
r places,and has a very graceful appearance. It is notvery difficult to build if properly planned. The only form of stair not shown which thestudent may be called upon to build, wouldvery likely be one having an elliptical plan;but, as this form is so seldom used—beingfound, in fact, only in public…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.