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 194
e heightB F or B E, which is equal to a rise and a half.—Having found the stretchout and height,place half the thickness of the rail on each side of the central points F E and H, as denotedby the small circles, connect the upper heights F E with the lower one fZ, which completesthe falling moulds.… … Plate 56.
Carpentry
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