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Archival description
RM/5/3/10 · Item · 1947-1948
Part of Roy Markham

Hardback ring file (removed) of notes dated 25 Dec 1947-Jan 1948. Includes 1 letter from Harry Carlisle (Birkbeck College Research Lab.), 6 Jan 1948.

Notebook: Diffusion
RM/5/3/13 · Item · c 1950
Part of Roy Markham

Small softback notebook: notes about diffusion methods, starts Dec 12, c. 1950.

CDD/C/1/C.1-C.19/C.1 · Subseries · 1931
Part of CYRIL DARLINGTON ARCHIVE

The front cover is inscribed, in Darlington's hand, 'Reproduction' and '1931'. The contents, in Darlington's hand, comprise drafts of various sections of the book, including figures, with one typescript table of data. A few additional loose pages have been inserted and attached to original pages. Paginated '1-69'. Some pages are unused.