rt; it would be like contracting theaperture of a pipe which supplies a jet;besides, if a larger opening were left atthe top than what is absolutely neces-sary, the rain, cold air, etc., would de-cend, and interrupt the smoke. The de-gree of contraction at the throat of theflue Mr. Tredgold makes… … Details of the done order according .to Vignola . Jtsyscn/.hit vth 1870.] Lessons for Learners. 585 LESSONS FOR LEARNERS. The Doric Order. THE illustrations given on the nextpages, show in detail the entab-lature with all its relative proportions;and also the soffit of the cornice, ac-cording to…
Architecture
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![An illustration from Specimens of Gothic architecture; selected from various antient[!] edifices in England: consisting of plans, elevations, sections, and parts at large ... accompanied by historical and descriptive accounts (1823)](https://img.insideoutlibrary.com/img/200/ia-specimensofgothi00pugi-88-47.webp)