The matter is heated in such a furnace by flame, and is kept from contact with the solid fuel.

The flame in its course from the fireplace to the stack is reflected downwards or REVERBERATED on the matter beneath, whence the name REVERBERATORY furnace." [8] Mr.TYLOR on Metal Work--Reports on the Paris Exhibition of 1855.
Part II.182.

We are informed by Mr.Reynolds of Coed-du, a grandson of Richard Reynolds, that "on further trials many difficulties arose.
The bottoms of the furnaces were destroyed by the heat, and the quality of the iron varied.

Still, by a letter dated May, 1767, it appears there had been sold of iron made in the new way to the value of 247L.
14s.

6d." [9] Among the other subscribers were the Rev.Mr.Harris, Mr.Jennings, and Mr.John Wilkinson, an active promoter of the scheme, who gave the company the benefit of his skill and experience when it was determined to construct the bridge of iron.