Hatfield, Robert Griffith, 1815-1879. [from old catalog] · New York & London, Wiley and Putnam · leaf 238
draw a line for the joint; in the samemanner, draw the joint at k ; then x y will be the falling-mouldfor that part of the rail which extends from 5 to 6 on the plan. 380.— To find the face-mould for the rail of awindmg-stairs.From the extremities of the joints in the falling-mould, as k, zand y,… … Fig. 2T5. shown at half their full size. A is the plan of the rail, and B isthe falling-mould ; in which k z is the direction of the butt-joint.From k, draw k b, parallel to I o, and k e, at right angles to k b ;from b, draw b f, tending to the centre of the plan, and from/, draw/ e, parallel Xob k…
Carpentry · Architecture
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