A furnace for smelting of iron from iron oxide ores; combustion is intensified by a blast of air
An enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores,…
An enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores,…
Chinese structures have nothing durable about them, for perishable wood forms an essential element in…
Chinese structures have nothing durable about them, for perishable wood forms an essential element in…