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)
n s, as a centre, andfrom the extremities m or n, describe the arch at G. With the same centre, draw anotherline parallel to it, to any breadth that you intend your ribs shall be; then G is the true sweepof all the back-ribs in the niche. The points I, k, i, h, show what length of each rib will be… … Plate 26
Carpentry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
