Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 373
of progress for anyone ascendingor descending the stairway. In stairs with the rail on the outside, assometimes occurs, it will be sufficient if the treads have the properwidth at the middle point of their length. Where a flight of stairs will likely be subject to great stress andwear, the… … Fig. 69. Method of Reinforcing Stair. the foregoing figures; and there may be cases when it will be necessaryto use iron bolts in the sides of the rough strings in order to give themgreater strength. This necessity, however, will arise only in the case of stairs built in public buildings,churches,…
Architecture · Building
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