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GMB · 11th Jan 2006, 10:59 am

There has been some confusion about how to recognise a revision letter so I have updated the web page with an illustration.

11th Jan 2006, 10:59 am	#26
GMB Dekatron Join Date: Aug 2003 Location: near Reading (and sometimes Torquay) Posts: 3,099	Re: Mullard Valve Tester Card Project There has been some confusion about how to recognise a revision letter so I have updated the web page with an illustration.