Pain, William (1730?-1790?) / Pain's British Palladio, or, The builder's general assistant.
Two Designs for Stairs., p. Pl. XXVIII
Page Pl. XXVIII
Plate XXVIII Fig A is the face mould for one quarter or the raking mould which is trussed fromt eh plan & given the side curve the thickness will be got in a 3 1/2 inch plank or in four lengths a 2 1/2 inch plank will do in large openings.
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