Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 406
drawnfrom TOparallel tothe line drawn from ^,which is marked in the diagramas Directing Ordinate of Section. The line drawn from to willcontain the minor axes; and a line drawn through the corner of thesection at 3 \^ill contain the major axes of the ellipses that will consti-tute the curves of the… … 332 STAIR-BUILDING 69 of this circle indicates the width of the curve at this point. The widthat each end is determined by the bevels. The distance a h, as shown
Architecture · Building
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