Common-sense stair building and handrailing .. (1913)
Hodgson, Frederick Thomas, 1836- [from old catalog] · Chicago, F. J. Drake & co · leaf 84
h give *R. 12 means riser 12 on Fig. 21, and R. 12, riser 12 ia Fig. 22; and SO onwith these compound references.-iSc^. THIRD METHOD 83 the centers the ramps are struck from. The jointsshould be kept clear off the springing lines BB andFF. The ramps may be made any length. Thecenter lines must be… … Fig. 23 is the face mould for the lower portion, thedrawing being similar in every respect to what hasalready been described. The height is taken fromwhere the pitch or raking tangent cuts the springingline BB, Fig. 22, to the line drawn at right angles toDD through the joint. The pitches being the…
Stair building · Hand-railing
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