Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 283
. I Fig. 857.—Elevation of Circle-on-Circle Opening, with Soffit parallel at the Springing and level at the Crown. … Fig. 858.—Plan of Soffit (Fig. 857). of the inner and outer ribs are identical.How to obtain their shapes will now be ex-plained. First draw the elevation of thecentre as shown in Fig. 859, and the plans of is shown at the right. In the elevation,divide the arc into an equal number of parts,as a,…
Carpentry · Joinery
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