[R-390] useful restoration ebook

[Don Reaves]

Ran across this eBook, "The Restoration of Valved HF Communications
Receivers" by Chris Parry.  Useful info from a UK viewpoint.  Mentions
R-390, covers mechanical filters, recapping, etc.

96 pages, pdf format.

http://www.vk2bv.org/radio/parry1.htm



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