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|  4th February 2016, 11:00 AM | #5 | 
| Member Join Date: Mar 2006 Location: Room 101, Glos. UK 
					Posts: 4,259
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			try this: http://www.wirralmodelengineeringsoc...er_Process.pdf looks like it started about 1865 when the commercial production of bessimer process steel was commercially available. | 
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