Does anyone know what Air Publication No.883 from 1925 is or what it is called. I doesn't seem to be at TNA or RAFM and I think it may contain an early reference to ranges.
The search for AP's in online catalogues is a real pain as they can be referred by many derivations or the words and initials.
No Amount Of Evidence Will Ever Persuade An Idiot (probably not Mark Twain)
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