Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 325
l there as nearly aspossible to the same pitch or slant as the rail over the square steps.When the hall is of sufficient width, the stairway should not be lessthan four feet wide, so that two people can conveniently pass eachother thereon. The height of riser and width of tread are governedby the… … Fig. 1. Illustrating Rise, Run, andPi tcli. 2 STAIR-BUILDING and eleven-inch tread will make an easy stepping stairway. If youincrease the width of the tread, you must reduce the height of the riser.The tread and riser together should not be over eighteen inches,and not less than seventeen inches.…
Architecture · Building
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