The carpenter's new guide: being a complete book of lines for carpentry and joinery (1850)
Nicholson, Peter, 1765-1844. [from old catalog], Johnston, William, architect. [from old catalog] · Philadelphia, Lippincott, Grambo and co. · leaf 52
he semicircle B, and the points a, h, c, d, &c. at C, will fall perpendicularly overthe points ah c d, &c. in the plan A : for the arches a e, hf, c g, dk, and e i at C, will fallover the parallel straight lines e a,fh, g c,h d, i e, in the plan A, which was to be demon-strated. The learner… … /.IIII 11./ hl- h-l^> ,1 .s.l/flf III ,1 11 I ill/,11- ir,l// ///I///,/ ,;fll,l/li \ Fhtl* 23.
Carpentry
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