A Treatise on the Progressive Improvement and Present State of the Manufactures in Metal, المجلد 3Longman, Rees, Orme, Brown, and Green, 1838 |
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afterwards alloy ancient appearance applied Argand burner attached bell Birmingham borax bottom brass Britannia metal bronze burnishing buttons calamine calcined called cast iron celts centre circular clock coin colour common considerable consists containing contrivance copper Cornwall crucible cupel described diameter edges feet fire furnace gold groove hammer heat hole inches ingenious instrument lamp latter lead lever manner manufacture means melted method microscope miners mines mould operation ornaments ounces oxide pallet patent pendulum perfect perforated pewter piece pinion pipe placed planishing plate pounds precious metals present produced proportion purpose quantity rack red heat reverberatory furnace rolling round sal-ammoniac sand screw sheet side silver slag slider sliding smelting solder sometimes sort spelter spindle stamped steel striking surface swages teeth telescope thickness tube turned vessels wares weight wheel wire workman zinc