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Acetate x-ray diffraction images of DNA, some circular, 3 1/2” (9cm) diameter, some square, 1 1/2” x 1 1/2” (4cm x 4cm), created in the Biophysics Unit, some captioned with date, medium used (such as sodium, rubidium), and structure ( A and B). Also included are colour acetate prints of a molecular model of B-form DNA.

Acetate x-ray diffraction images of DNA, some circular, 3 1/2” (9cm) diameter, some square, 1 1/2” x 1 1/2” (4cm x 4cm), created in the Medical Research Centre (MRC) Biophysics Unit, King’s College London. Some are captioned with date, medium used (including sodium and rubidium), and structure (‘A’ or ‘B’ form DNA)

Partially indexed slides and prints relating to research conducted in the Biophysics Unit, 1949-1962, and Department of Biophysics, 1962-1992, and associated journal articles and other papers, comprising: glass and acetate slides, 1949-1984 (approx 1990 items), notably x-ray diffraction photographs of DNA, also graphs and other data, illustrations of equipment and illustrations for journal articles (ref: KDBP 1/1-8); index books for the slides, 1949-1964, listing date, subject and sometimes name of researcher (ref: KDBP 2/1-7). Photographic prints, 1949-1992 (approx 490 items), including x-ray diffraction images of DNA and x-ray spectrometer diffraction patterns (ref: KDBP 3/1/1-10); photographic prints, 1959-1984, relating to work by individual named researchers, including x-ray diffraction images, microscope images, graphs, diagrams, and equipment (ref: KDBP 3/2/1-24); photographs, 1950-1992, of the staff and premises of the Biophysics Unit and later Department of Biophysics, including the construction of the Wheatstone Physics Lab, c 1950, a staff cricket match, c 1952, new laboratories at 26-29 Drury Lane, c 1963 (ref: KDBP 3/3); journal articles, 1945-1976, written by staff of the Biophysics Unit/Department of Biophysics (ref: KDBP 4/1-71). Also other papers relating to the work of the Biophysics Unit, notably the PhD thesis of Raymond Gosling, 'X-ray diffraction studies of Deoxyribose Nucleic Acid', 1954 (ref; KDBP 5/1-3).

Typescript memorandum by Sir John Randall, ‘Scientific equipment for the department of Biophysics University of London King’s College 26-29 Drury Lane WC2, including that required for the associated Biophysics Research Unit of the Medical Research Council’. Includes details of equipment required for the cilia and flagella research group, the nucleic acid structure research group, the nuclear and chromosome structure research group and the muscle structure research group, and for the x-ray diffraction studies of DNA and RNA, and a list of departmental staff and research students. Also copy covering letter, 2 Oct 1996, from Anthony Cooke, Department of Biosciences, University of Kent at Canterbury, sending the file to Arthur Lucas, Principal, King’s College London, with Lucas’ reply, 9 Oct 1996.

Photographic prints of x-ray diffraction images of DNA, diagrams of DNA function and structure, and diagrams and photographs of DNA models, including images of molecular models used in Watson Fuller, ‘Nucleic acid structure’, published in Science Progress, Vol 52 No 205, Jan 1964

Glass 4 1/2” x 6 1/2” (12 x 16 cm) slides relating to the research of Alan Blaurock and William Pigram, chiefly relating to x-ray diffraction studies of phospholipid membranes. Original box label, ‘Dr A Blaurock 10944-47 X-ray copy Dr W Pilgram’. Glass plates are uncaptioned, but numbered with the series numbers used in the ‘quarter plate’ series of glass slides (KDBP/1/1) and related index books (see KDBP2/1-7)

Glass and acetate 4 1/2” x 6 1/2” (12 x 16 cm) slides, photographic negatives and prints relating to Dr Brian Richards’ research on chromosomes and nucleoproteins including images of diagrams of structures, diffraction exposures, graphs and amino acid sequences. Original box label ‘Dr B Richards’

Glass 4 1/2” x 6 1/2” (12 x 16cm) slides (‘half plates’) of images relating to the research conducted in the Medical Research Council (MRC) Biophysics Research Unit, King’s College London (from 1964, the Department of Biophysics). Images include: illustrations prepared for scientific journal articles and lectures by Unit staff; detailed images of equipment used, 1953-1954, including x-ray cameras, other cameras, reflecting microscopes and electron microscopes; views of the Biophysics and Physics laboratories and workshop, 1952 and 1954; the Unit’s IBM 650 computer, 1956; images from a 1958 television broadcast on DNA; the new Biophysics premises, Drury Lane, 1964. Slides are individually numbered in a chronological sequence. See KDBP/2/7 for the index to the slides

Handwritten chronological index of glass 6 1/2” x 8 1/2” (16 x 22cm) slides (‘quarter plates’) of images relating to research conducted in the Medical Research Council (MRC) Biophysics Research Unit, King’s College London, for slides numbered 1-969, listing month, year, subject, and sometimes name of researcher. Includes reference to x-ray diffraction photographs of DNA taken by Maurice Wilkins, Raymond Gosling, and Rosalind Franklin. Also brief list of some Unit staff, with month and year of joining, 1949-1953. Original title: ‘Quarter Plates 1-969’. See KDBP/1/1 for slides

Handwritten chronological index of glass 6 1/2” x 8 1/2” (16 x 22cm) slides (‘quarter plates’) of images relating to research conducted in the Medical Research Council (MRC) Biophysics Research Unit, King’s College London, for slides numbered 970-3851, listing month, year, subject, and sometimes name of researcher. Includes reference to x-ray diffraction photographs of DNA taken by Maurice Wilkins, Raymond Gosling, and Herbert Wilson. Original title ‘Quarter Plates 970-3851’. See KDBP/1/1 for slides