and corrugated surface of the plate (B)is deposited a layer of concrete, fillingthe corrugation, and extending abovethe same. The edges of the plate (B) surface of the beams, and the lowerflange of the beams enclosed or coveredwith a galvanized iron casing, whichmakes a very ornamental finish.… … Fig. 6. A corrugated iron ceiling paneled, and ornamented with centre-pieces. Fig. 7.
Architecture
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