31. He was involved in the construction of a reverberatory furnace in Saga for the production of Armstrong guns. 32. The company installed a rolling mill, five reverberatory furnaces , 20 nail manufacturing machines, and one spike manufacturing machine. 33. It was fortuitous that carbonate ores are well suited to the reverberatory furnace method used at this site. 34. That was in turn replaced by smelting in cupolas, a variety of reverberatory furnace in the 18th century. 35. The cupola was a reverberatory furnace . 36. The second reverberatory furnace was brought into permanent operation to treat additional calcine produced by the new roaster. 37. Cort's process consisted of stirring molten pig iron in a reverberatory furnace in an oxidising atmosphere, thus decarburising it. 38. The first reverberatory furnaces were perhaps in the medieval period, and were used for melting bronze for casting bells. 39. The lead containing components are processed in blast furnaces for hard lead or rotary reverberatory furnaces for fine particles. 40. The reverberatory furnace was a Welsh technology and was essentially a masonry hearth with a roof erected over it.
