Papers by Oatley, including "The Early History of the Scanning Electron Microscope" and copies and reprints of papers by others, including Manfred von Ardenne, Dennis McMullan, K C A Smith, T E Everhart and R F M Thornley. One file of articles and papers by Frisch, Cosslett & Thomas, Pawley, Comins & Hengstberger & Thirlwall, Autrata, with annotations and comments by Oatley.