antique illustration of 19th century industry, technology and craftsmanship: metallurgy, blast furnace - 高爐 幅插畫檔、美工圖案、卡通及圖標
antique illustration of 19th century industry, technology and craftsmanship: metallurgy bessemer process - 高爐 幅插畫檔、美工圖案、卡通及圖標
antique illustration of 19th century industry, technology and craftsmanship: metallurgy barrow - 高爐 幅插畫檔、美工圖案、卡通及圖標
antique illustration of 19th century industry, technology and craftsmanship: metallurgy, puddling furnace - 高爐 幅插畫檔、美工圖案、卡通及圖標
blast furnaces of a steel works at night — beneath smoking towers, overhead conveyors, and the tracks of the works railway, industry appears like a black city of its own, continuing without pause even in darkness - 高爐 幅插畫檔、美工圖案、卡通及圖標
a shaving horse (shave horse, or shaving bench) is a combination of vice and workbench, used for lead pipes - 高爐 幅插畫檔、美工圖案、卡通及圖標
metallurgy ,tin ,lead and mercury, the art of extracting metals from their ores, and adapting them to various purposes of manufacture - 高爐 幅插畫檔、美工圖案、卡通及圖標
