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Reprint and original photographs re 'Electron Microscope Observations on the Surface Structures of Streptomyces violaceoruber', D A Hopwood and Audrey M Glauert (1961)

Spiral bound notebook entitled 'Multicomponent Plant Viruses'. Electron microscopy photographs. Notes, graphs tables. Correspondence. Manuscript: R Markham and M E Reichmann, 'A convenient method for the evaluation of diffusion coefficients. the diffusion coefficients of some "spherical" plant viruses', c 1966 Reprint/proof?: R Markham, 'The Analytical Centrifuge as a tool for the Investigation of Plant Viruses', stamped 12 Jul 1962.

Notes, graphs, tables, manuscripts

Electron microscopy photographs of viruses etc, ultracentrifuge data, graphs and diagrams

Electron microscopy photographs of viruses.

Electron microscopy photographs of viruses, nucleic acids etc., letter from R W Cumley, University of Texas, 31 Jul 1968.

Electron microscopy photographs of viruses, nucleic acids etc., letter from R W Cumley, University of Texas, 31 Jul 1968.

Assorted photographs, mostly black and white, some in a folder labelled 'J D Smith', 'Phytotron': Electron microscope prints: including Turnip Yellow Virus, crystals, inoculation. 2 close-up colour prints of flowers. Plants and leaves infected with TMV. Collage of 6 photographs showing work at the JII: Petrie dishes, test-tubes, plant experiments etc. Some JII stamped photographs of plants and greenhouses. Photographs of apparatus. Hand drawn depictions of apparatus and a diagram of a 'Thyratron Drop Counter'', graphs. Animal experiments (rabbits).

Reprints, notes, data tables and photographs of results: comparison of peroxidase, esterases, amylase in diploid and tetraploid Pisum, lathyrus, antirrhinum.