PS I omitted to provide a link to the museum’s pages about the exhibition. See http://www.hnf.de/en/sonderaustellungen/preview-ada-lovelace.html Cheers Brian -- School of Computing Science, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK EMAIL = Brian.Randell@ncl.ac.uk PHONE = +44 191 208 7923 FAX = +44 191 208 8232 URL = http://www.cs.ncl.ac.uk/people/brian.randell