Letter from Howard Walter Florey to F H K Green, Scientific Secretary, Wellcome Trust, Queen Anne Street, London Comments on work of W E Stehbens, who has partial knowledge of techniques involved in electron microscopy - is not sure about set-up in Magarey's department - comments on this and on Magarey's team - thinks they should advise Magarey to get Phillips electron microscope rather than Siemans instrument - comments on this - should ask Magarey what he hopes to discover with electron microscope. 25 April 1961