Media type: E-Article Title: VISIT TO NATIONAL CASH REGISTER CORPORATION OF DAYTON, OHIO Contributor: Turing, Alan M. imprint: Informa UK Limited, 2001 Published in: Cryptologia Language: English DOI: 10.1080/0161-110191889734 ISSN: 0161-1194; 1558-1586 Keywords: Applied Mathematics ; Computer Science Applications Origination: Footnote: