Editing Wrought iron (section)

===Potting and stamping===
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From the late 1750s, ironmasters began to develop processes for making bar iron without charcoal. There were a number of patented processes for that, which are referred to today as [[potting and stamping]]. The earliest were developed by John Wood of [[Wednesbury]] and his brother Charles Wood of Low Mill at [[Egremont, Cumbria|Egremont]], patented in 1763.<ref name="MortonMutton1967">{{cite journal |first1=G.R. |last1=Morton |first2=N. |last2=Mutton |title=The Transition to Cort's Puddling Process |journal=Journal of the Iron and Steel Institute |volume=205 |year=1967}}</ref>{{rp|723–724}} Another was developed for the [[Coalbrookdale]] Company by the [[Cranage brothers]].<ref>{{cite periodical |first=R. |last=Hayman |title=The Cranage brothers and eighteenth-century forge technology |periodical=Historical Metallurgy |edition=28th |issue=2 |year=2004 |pages=113–120}}</ref> Another important one was that of John Wright and Joseph Jesson of [[West Bromwich]].<ref name="MortonMutton1967" />{{rp|725–726}}