Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 384
313 50 STAIR-BUILDING owing to it being made square to the tangent d, which is shown tohave the same inclination as the rail of the flight adjoining. As previously stated, the use made of tangents is to square thejoints of the wreaths; and in this diagram it is clearly shown that theway they can be…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
