Dear Jamie,
Tylecote in Day and Tylecote 'The Industrial Revolution in Metals' quotes
Réaumur's 1722 description of small blast furnaces used to remelt iron for
casting. The term cupola does seem to be used first by Wilkinson for this type
of furnace in Britain. However, the term cupilo was used in 1679 for a
reverberatory furnace at Clifton, Bristol. It seems that the term cupola was
initially, used for this type of furnace rather than the small blast furnace
type, due to the domed shaped of the furnace chamber.
Chris Salter
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