Hatfield, Robert Griffith, 1815-1879. [from old catalog] · New York & London, Wiley and Putnam · leaf 242
the corner farthest projecting from thatline, as lo, draw 1/ lo, parallel to z t; then the distance betweenthose lines will be the proper thickness of stuff for this part of therail. The same process is necessary to find the thickness ofstuff in all cases in which the falling-mould is in any way… … Fig. 279. and the same edge, this being square from the face. Apply thetips of the mould at the edge of the plank, as at a and o, (A,) andmark out the shape of the twist; from a and o, draw the lines, ab and o c, across the edge of the plank, the angles, e a b and e oCj corresponding with kfdaX…
Carpentry · Architecture
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