Yup Lloyd I'm old. I began scoping rifles with the old Weaver B and J series scopes, graduated to Redfield then to Leupold a very long time ago. I can recall at least one of the 1.5-5 and one 3.5-10 with the friction adjustments and seems like there was another that I'm not able to recall just which it was.
They are still floating around out there like that but ya don't see them often.