Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 156
O _:_ o — o p ^^ (!^ 03 O <J x i: ?! w ^ s c tt o Q Z 3 H o < _^ \ js^ z >; i< -r H H FRAMING 129 portioning the rise to the width of the tread is,that the rise in inches multiplied by the run ortread in inches shall be about 70 or 75. Accord-ing to this, a 7-inch riser will call for a… … Fig. 70. Good Eule forDetermining Head Boom. Another rule is based on the fact that an easypace on the level is 23 inches. In going upstairs,however, a person passes upward as well as for-ward at the same time, and the rule is thattwice the rise, plus the tread, should equal 23.This gives very good…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
