Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 285
Fig. 861.—Elevation of Circle-on-Circle Opening, with Soffit converging at the Springing and level at the Crown. … Fig. 862.—Plan of Soffit (Fig. 861). distances on it exactly equal to those on*a (a), which give the points where thegenerators start from. This will be under-stood by reference to Fig. 866. For the the elevation, and another pair or a radiusrod to the length of the generators. (Note,these are all…
Carpentry · Joinery
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