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 211
the concave or convex projections of the rail will give its pitch, but from what has now beenshown of the projections of the cylinder it will be no difficult matter to form an idea of thecomplete projection of a rail piece, showing the entire solid in order to form the true pitch.This will be… … Ph,/, v:
Carpentry
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