A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 542
withsplayed jambs a b and a b and circular soffit equally splayed.Continue the splay lines of each jamb a b and a b until theyintersect at d\ draw the elevation of each side of the open-ing as a\.aca and bfb\ divide the semicircle ac a into anyniimber of equal parts, say six; with ^ as a center,… … Fio. 42. to be bent over a center after being- treated by .some one ofthe several methods hereafter explained. After the sofiit isbent, the edges inust be beveled as shown. Whether bentby means of keyed grooves—saw kerfed or built up and 02 JOINERY. § 10 backed with staves—the grooves or staves…
Architecture · Building
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