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 191
om of it is made into a very narrowcompass, in order to gain room within the dome. Figures B and C are designs for circular and elliptical trusses for bridges, &c. Thesetrusses may also be applied to roofs where there is no cavity wanted within. PLATE XLIX. Fig. ^ is a design for a story post… … HAND-RAILING. THE principles of hand-railing here described are entirely new; former writers havingfailed from not considering the two vertical sides of a hand-rail as being the portion of a cylin-dric or prismatic surface: for supposing such a prism or cylinder to be erected on the plan ofthe…
Carpentry
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