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 67
/>/ V a/ \/ I :■.■••. ••J i , • , /, FiQ. D. … 11 ^ ■^/. 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, §c. BRICK GROIJYS. Description. P, P, P, &.C., is the plan of the piers which the…
Carpentry
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