Common-sense stair building and handrailing (1903)
Hodgson, Frederick Thomas, 1836-1919 · Chicago, F. J. Drake & Co · leaf 42
THOD 37 This shows the ground plans of cylinder, with riserscutting the tangent around the center line of rail; alsothe elevation of risers, the pitch-lines, and thedevelopment of the tangents. It will be noticed that the upper pitch-line is thesame as that of the return flyers, running down until…
Stair building · Hand-railing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
