The carpenter's new guide; a complete book of lines for carpentry and joinery, treating fully on practical geometry, soffits, groins, niches, roofs, and domes, and containing a great variety of original designs. Also a full exemplification of the theory and practice of stair building, cornices, mouldings, and dressings of every description. Including also some observations and calculations on the strength of timber (1854)
Plale --I … NICHES. 39 PLATE 24. As all the sections of a sphere are circles, and those passing through its centre are equal, and thegreatest which can be formed by cutting the sphere, it is evident that if the head of a niche is intended toform a spherical surface, the best method is to make the plane of the…
Carpentry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
