Graphs, calculations, notes on the literature, on research methods, etc., in the hand of W.E.J. Farvis, no date

Graphs, notes, calculations, notes on the literature, on research methods by harmonic analysis, etc., in the hand of W.E.J. Farvis, no date. The material includes copies of some of Edward Appleton's letters to C.P. Bell, and 2 page paper 'Substance of EVA lecture (I.G.Y.)[International Geophysical Year]' with comments on work by Appleton and Bell.