Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 313
Fig. 935.—Construction of aSecondary Rib. Fig. 933.—Conventional View of Timbering and Staging, and Part View of a Main Rib. … Fig. 934.—Conventional View showing Connection of Secondary Rib with Main Ribs, and Method of Lagging Centering. same centre, thus they can be cut from one same distance, as indicated at b and c (Fig.mould by a bandsaw, then notched down 934). The construction of a secondary ribon the ribs so that…
Carpentry · Joinery
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