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 106
a c,that is, the base of the bracket -at /; draw the ordinates of / at right angles to its base; thenthe bracket at /, being pricked from H, as may be seen by the figures, will be the form ofthe angle rib required. Note. The angle rib must be ranged either externally or internally, according to the… … II II
Carpentry
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