Marion. We are both getting a little old, aren't we? And our eyes may not be up to par any more :-) That 'z' is a '2' ! IOW that label is 1/(x^2), which is
John, I have some questions on the 967U. It uses different scale labels. For example, why 'x sub-z' while others use only x? Is this to simplify descriptions
The transparent back: Archimedes probably 'stole' also that from Aristo, which had several models with transparent backs showing the entire slide. Notably the
I have always found the term "Minty" to be a little flaky. Either label the slide rule as in "mint condition" , "NOS" , "new condition" or "unused". John