The carpenter's new guide: being a complete book of lines for carpentry and joinery. Treating fully on practical geometry, soffits, brick and plaster groins ... with a great variety of designs for roofs, trussed girders ... with many other things entirely new: the whole founded on true geometrical principles; the theory and practice well explained and fully exemplified on eighty-four copper-plates; including some observations and calculations on the strength of timber (1830)
Nicholson, Peter, 1765-1844 · Philadelphia, J. Grigg · leaf 129
r/a/v JA … ROOFING. % SS sect, draw two parallel lines to the former, to cut the diagonal in m and k ; and draw m nand k I perpendicular to s m and r k, and join the points n, i and A, i ; then G is the downbevel, and F the side bevel of a purline : these two bevels, when applied to the end of thepurline, and…
Carpentry
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