The carpenter's new guide: being a complete book of lines for carpentry and joinery (1848)
Nicholson, Peter, 1765-1844. [from old catalog], Johnston, William, architect. [from old catalog] · Philadelphia, Grigg, Elliot and co. · leaf 212
also draw IP at right angles with the line H G, and with the distance K M,from the point Jasa centre, bisect the line IP at P. Join J P, which gives the directingordinate for the face mould—transfer the ordinates from the plan, and set them from thechord O N, and through the points trace the face… … Plate 62.
Carpentry
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