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 164
ing out a string is a gauge-board, as shownin Fig. 74, upon which has been cut the properlength of tread and riser to the pitch of thestair. In notching out the treads and risers,the notches should be cut large enough toreceive a small wedge below the tread and backof the riser. These are used to… … Fig. 74. Use of Gauge-Board. fit in front, where the treads and risers comeagainst the edge of the notches. When thestairs are put together, the wedges are coveredwith glue before being driven into place. Another method of laying out housing forstair strings is as follows: Joint top edge of…
Architecture · Building
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