Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 282
Arch. The centering shown by Fig. 854 is tofulfil the conditioDs laid down for the seg-mental arch which has been described in theprevious paragraph, and the construction ofthe centering is similar. An elliptical window in brickwork maybe built up round a centering of the kindshown in the half… … 856.—Conventional View, showing Centering,Construction of Arch, etc. on the inverted ring supporting the wedgesand centering. Centre for Circle=on = Circle Arch withParallel Jambs and Reveals. Figs. 857 and 858 are elevation and planof a circle-on-circle window or door openingin which jambs or…
Carpentry · Joinery
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