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 91
■^ Fhih 23. … CRADLING TO GROINS. 43 o. 1 o- 2, g-S, g 4, &c. in much less time than the parallel lines in A and C can be drawn, andwith much greater accuracy; and the divisions upon c w of the arch F, may be marked upon arod, and readily transferred to the arches Z) and E, on mp, and/^: then move your brad…
Carpentry
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