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Old 13th Oct 2021, 6:32 pm   #15
AdrianH's Avatar
Join Date: Mar 2020
Location: Blackburn with Darwen, Lancashire, UK.
Posts: 1,097
Default Re: 5FP7 project starting with the focusing coil.

Unfortunately I can not find on the Internet the book. It is not on the internet archive or in Worldradiohistory as both have removed RSGB publications.

So thanks very much for the small circuit section.

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