Stair-Building and the Steel Square / A Manual of Practical Instruction in the Art of Stair-Building and Hand-Railing, and the Manifold Uses of the Steel Square

by Fred. T. Hodgson; Morris Williams

Fig. 135. Arrangement of Risers in
in Stair with Obtuse-Angle Plan.

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Fig. 136. Arrangement of Risers in Obtuse-Angle
Plan, Giving Equal Pitch over Tangents and Flights.
Face-Mould Developed.

In [Fig. 121] are shown the tangents taken from the bottom wreath in [Fig. 95]. It was shown how to develop the section and find the angle for the tangents in the face-mould, in [Fig. 113]. The method shown in [Fig. 119] for putting on the curves, would be the most suitable.