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 67
9 <• Plate 17. … CENTRINGS TO GROINS. 29 PLATE 17. DEFINITION. Groins are formed by the intersection of arches or vaults, and the surfaces of their meeting may be considered as the sections of cylinders, cylindroids, fyc. BRICK GROWS. Description. P, P, P, &c, is the plan of the piers which the vault is to…
Carpentry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
