Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 431
\ <■ Figs. 1296 and 1297.—Enlarged Details of Joint atSpringing of Circle-on-Circle Door Frame. section shown at Fig. 1298. Set these outfrom the section, or height rod, for mor-tising, as shown at Figs. 1296 and 1297,also for shoulders for key tenon asshown. The thickness of the stemshould be… … Fig. 1298.—Enlarged Section of Jamb for Circle-on-Circle Door Frame. the key head should be tapered, to avoidweakening the head more than can beavoided, and the sides of the keys should becut to the same bevel as the jambs are workedto. The shoulders should also be cross-tongued and stopped inside,…
Carpentry · Joinery
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