A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 399
Fig. 48. sides do not meet in an apex, as in Fig. 47, but form aridge/^. If we lay off on the extended line of this ridgeon equal to the height of the ridge above the plate, and § 9 CARPENTRY. 09 connect ii c and ;/ a, we have, in the triangle a n c, the out-line of a vertical section of the roof…
Architecture · Building
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