Modern buildings : their planning, construction and equipment (1905)
Middleton, G. A. T. (George Alexander Thomas) · London : Caxton Publishing Company, Limited · leaf 174
eans of small wedge-shaped templates. The several ways of connecting up the steps are shown in Fig. 161. That shown at A is the wrong method of tonguing the riser into the tread above. B is the correct method when they are tongued, and C the usual method. In this the riser is not tongued, the… … bad. It is sometimes used in common work to save jointing treads. B is the usual and correct method, and C is an excellent way preferred by many. Here the tread is screwed to the riser, which it slightly overhangs, slots being made for the screws, so that in case of shrinkage a little movement may…
Building · Architecture
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