Manuscript notes and drafts on recombination, no date

Manuscript notes and drafts on recombination. The material consists of Edward Appleton’s notes and drafts contained in their original folder, labelled 'Recombination and Attachment':

'The Effective Electron Recombination Coefficient in the Ionosphere, 2 pages.

'The Process of Electron Disappearance in the Cases of Regions E and F₁', 3 pages.

'Can there be detachment of electrons by sunlight?’ 1 page.

'Test of Recombination versus attachment', 1 page.

'Ionisation Gradient for intense E', 1 page

'Recombination in Lab. [Laboratory]’, 1 page (numbered 3).

'Recombination’.