Editing Paul Héroult (section)

==See also==
* [[Crucible Industries]], Halcomb merged into Crucible in 1900
* Methods of steel production:
** [[Cementation (metallurgy)|Metallurgy cementation process]] 
** [[Crucible steel#Methods of crucible steel production|Crucible steel processes]]
** [[Open hearth furnace#Open hearth process|Open-hearth furnace process]], the Siemens-Martin process
* [[Steel industry]]
** [[Crucible steel]]
** [[Blast furnace]]
** [[Steel mill]] or [[Steelworks]]
* [[History of aluminium]]

{|style="margin: 0 auto;"
| [[File:Remscheid - Werkzeugmuseum in - Lichtbogenofen 02 ies.jpg|thumb|300px|1905 Heroult electric arc DC furnace]]
| [[File:Remscheid - Werkzeugmuseum in 40 ies.jpg|thumb|300px|1905 Heroult electric arc DC furnace]]
|}