The carpenter's new guide: being a complete book of lines for carpentry and joinery (1848)
Nicholson, Peter, 1765-1844. [from old catalog], Johnston, William, architect. [from old catalog] · Philadelphia, Grigg, Elliot and co. · leaf 251
Piatt 74. … CYLINDRO-CYLINDRIC SASH-WORK, &c. 101 PLATE 74. The Plan and Elevation of a circular Sash, in a circular Wall, being given; to find the Mouldfor the radial Bars, so that they shall be perpendicular to the Plan. Draw perpendiculars from the points 1, 1, 1, 1, &c, at A and B, in the radial…
Carpentry
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