Scroll-lock Homes
...would he have deduced these are from some ancient installation, and why?
Well, if you're going to replace the keyboard you will probably get a new mouse too. So there is either a similar infestation of mice somewhere, or this is a dump of dumb terminal keyboards or rentokit have disposed of the mice.
If they were from dumb terminals then it is quite appropriate that they should end up filling a field.
Biting the hand that feeds IT
