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 149
J DESIGNS OF ROOFS. 65 PLATE 40. This contains the most simple construction of roofs. Fig. a is calculated for a small building; at one end of the collar beam is the Carpen-ters boast, what they term a dove-tail tenon; but I think rather a rule-joint, as it is workedout to a centre. This roof will…
Carpentry
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