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 221
Fig. A. V^ ■m HAND-RAILING. 95 No. 5 is the edge of the plank elevated to its proper pitch, as required; A F, No. 2, be-ing esteemed as the level whence it springs, the angle C B A being equal to the angle pxv.No. 1, and B C or AD, No. 5, equal toj& x at No. 3> that is, equal to the distance…
Carpentry
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