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 140
ROOFING. 61 To find the Ribs for this Dome. The ribs in this are got in the same manner as the ribs for a niche, as directed in page50; and if the reader understands that, he must know this. To find the Form of a Board to stand in any Place of the Dome, in order to be bent up to the Crown. Divide…
Carpentry
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