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 88
and the height of the given arch n o, and de-scribe an ellipsis; and to describe the side arches between any two piers, as from a to b, takethe extent a b, and the height of the given arch, p g, at A, and describe an ellipsis, it will givethe proper form of the rib to stand over a b; the… … Fiq . 1.
Carpentry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
