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 60
e several divisions on JE, thenthe other half of piano-cunioidal line may be found by inversion. Produce the lines a e, bf,eg, dhfji, &c. to o,p, q, r, s, &c. make eo,fp, gq, &c. in inverted order equal to the seatsof the lines on the sofiits and the points o,p, q, r, &c. then… … r/af^ 14.
Carpentry
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