for the last riser. No arbitrary rule can be given for the treatment of the plan, which must be subject to circumstances. Every attempt should be made, how≠ever, to dispense with winders, which should be intro≠duced in case of necessity, when they are better placed at the top of a flight than at the bottom."
All stairs should be so devised that not less than 6 ft. 6 in., head-room between tread and trimmer, is given, but, as shown in Fig. 32Ch. 4. Fig. 32. Total rise of the stair., it is much better to give this much space from the going line to the trimmer, then
A newel or landing stair can be devised that it will serve the purpose for almost any possible contingency;