Physics: sound.

Folder A.85. General notes, index on front page, paginated e0-e22.

Folder A.86. Part I lecture course "Sound", by A. Wood, Lent and Easter 1937, index on front page, paginated 1e-39e.

Folder A.87. Practical sound, laboratory notes and experiments 1936 paginated 11(e)-23(e); pp.1(e)-10(e), referring to school work, to be supplied from notebook at A.7.

Physics:atomic physics.

Folder A.88. General notes and notes on the literature, index on front page, school and university material, paginated f0-f103, some pages sub-divided.

Folder A.89. Part I lecture course "Isotopes", by F.W. Aston, Michaelmas 1936, index on front page, paginated 0f-22f.