Handwritten papers of dates and events
'Reviews of Technical Position'
'Miscellaneous Papers'
'Radio Division 37 Staff Statistics'
'An Experimental 23 Channel Time Division Multiplex Radio Link System'
'Draft E. L. P. R's.'
'Miscellaneous Information Relating to: Radio Division History'
'D.M.S.1066 (And all that). High Power Demodulated Incinerator'
'CADF Wide Aperture DF Systems '
'Various Memoranda on VOR Systems etc.'
'The D.P.10 Time Division Multiplex Proposal. A Bird's Eye View'