The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 233
ace; and thus, while nearly all the iron is extracted from the ore, asmuch wrought iron is produced iu a given time, and at the same cost of fuel,as by the old system. The first process, producing puddled bars of superiorquality, is consequently on a par with the fourth stage of the old system,… … Scale i inch to a foot. A. The Hopper to contain the charge oi ore anil coal. B. Preparatory oven or bed.( . Wheels to regulate the supply of the mixture.D, Shaft to which the perforated bottom E is attached.F. Chimney, nearly double in area to that which is require 1 on the old system of puddling.
Architecture · Civil engineering · Science
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