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 97
F/.,/< ;v … //////■////■ A///- ////y,s- CRADLING TO NICHES. 39 PLATE 27. As all the sections of a sphere are circles, and those passing through its centre are equal, and the greatest whichcan he formed by cutting the sphere: it is therefore evident that if the head of a niche is intended to forma spherical…
Carpentry
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