Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 357
ouble that of the treads,in order that both flights may have the same width. Sometimes,however, and for various reasons, the upper flight is made a littlenarrower than the lower; but this expedient should be avoided when-ever possible, as its adoption unbalances the stairs. In the examplebefore us,…
Architecture · Building
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