Physics: electricity.

Folder A.72. Notes and notes on the literature, mainly university (to 1939) but includes a little school material, indexes on a0, a115, paginated a0-a158, several pages sub-divided.

Folder A.73. Part I lecture course "Electricity" by J.A. Ratcliffe, Michaelmas 1937, Easter 1938, index on front pages, paginated 0a-204a.

Folder A.74. Practical electricity, laboratory notes and experiments at Clifton, 1935-1936, some initialled W.C.B. [Badcock], paginated 131(a)-239(a); earlier pages to be supplied from notebooks at NCUACS 11.4.89/A.1, NCUACS 11.4.89/A.3

Folder A.75. Practical electricity, laboratory notes and experiments, Cambridge 1937-1938, paginated 241(a)-404(a).