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In Reply to: Is this 5AR4 Chinese ? posted by Orchardist on April 19, 2010 at 11:49:21:
Many of the National branded tubes were Russian. Some were sold to the US military and had to be branded as made in England or made in W Germany to comply with cold war era restrictions.
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- RE: Is this 5AR4 Chinese ? - Palustris 09:05:15 04/20/10 (0)