Small notebook '2', no inscription, c 1931-1932

Notebook numbered '2', but with no other inscriptions. The notebook contains notes and ideas for research, 'Suggestions for articles' (on oscillators), headings for discussion meeting, work on absorption, 'Points for short wave paper', notes possibly of conference contributions by Bohr, Chapman and others. Includes some material on Tromsö (c.1931) and a note 'Good wave-traps in W.W. '(Watson-Watt) dated '16/9/32'. This book also contains a note (undated) 'Could an aeroplane get us direction of vector?' quoted in Clark, Sir Edward Appleton, p.48.