Joel Jaeggli: >> What computer media from 20 years ago (1985) can you still read? Mike McCarty: > Can't read paper tape/punch any more, but I can read... I think that the old paper punch cards are about the only technology that lends itself to you building something to read them long after the original readers start working. The operating principle's so simple that you could build a slow speed rig, or create some optical recognition software using ordinary flatbed scanners, if you were seriously motivated. The latter being easy to test non-destructively. -- Don't send private replies to my address, the mailbox is ignored. I read messages from the public lists.