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 45
der, as in figure 4, at B, where the double circleupon the base A represents the plan of a rail, and the bevel at No. 1, figure 4, represents the spring of theplank, and a b the pitch of the rail: therefore, it is very necessary that the reader should have a knowledgeof these figures and their… … /7v ■;I, /f1 r ^- P^ r\ /v-^ ^\ ~~ n!\ //.•_x. / I V .5^ 1 -. \
Carpentry
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