the friedrich wilhelms-hütte is a steel casting factory, based in mülheim an der ruhr - 熔爐 幅插畫檔、美工圖案、卡通及圖標工廠, 雕刻圖像
line drawing engraving of an ancient architectural heating system and bath furnace from italy - 熔爐 幅插畫檔、美工圖案、卡通及圖標
interior view of an active nineteenth-century glassworks factory featuring a massive brick furnace and skilled workers demonstrating glassblowing techniques - 熔爐 幅插畫檔、美工圖案、卡通及圖標
the blacksmiths, farriers, forge, royal agricultural college, cirencester, victorian, 19th century, 1880s - 熔爐 幅插畫檔、美工圖案、卡通及圖標圖畫 - 藝術品, 19世紀風格
antique illustration of 19th century industry, technology and craftsmanship: metallurgy wire works - 熔爐 幅插畫檔、美工圖案、卡通及圖標
history railways, steam train fireman shovels damp coal into furnace, on the on the flying scotsman route, victorian, 19th century vintage illustration 1890s - 熔爐 幅插畫檔、美工圖案、卡通及圖標
technical drawings and diagrams from 19th century engineering magazine, perret's dust fuel furnace - 熔爐 幅插畫檔、美工圖案、卡通及圖標
smelter workers tapping raw matte slag inside a furnace hall — glowing molten material pours into metal containers as laborers guide the flow with long iron tools amid flames, smoke and intense heat - 熔爐 幅插畫檔、美工圖案、卡通及圖標
