Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 270
Eh he I om ho GANTRIES, STAGING, AND SHORING. 245 thick. _ So that the ribs May properly fit theintrados of the arches, templates made ofJ-in. boarding should be carefully scribed tofit ; then these should be used for making Fig. 821). The raking shores l h and K mare made to spread at the bottom,… … Fig. 821.—Conventional View of Central Trestle and one adjacent to Pillar, also ofPart of Centres, Collars, etc. the timber ribs, which are out of 7-in. by12-in. and 3-in. by 11-in. stuff respectively.The joints between the ribs, tie, king-post,struts, etc., are clearly illustrated at A, B,and c…
Carpentry · Joinery
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