On Wed, Aug 8, 2018 at 4:44 PM, Warner Losh <imp@bsdimp.com> wrote:
Especially if you use the WD40 trick for the ink ribbon. :
Hmmrrph.... Youngsters...    WD40 is silcon based.   Real "3 in One" oil (came in a small can) is light machine oil but you can still get it: https://www.3inone.com/handyu/
It's what Teletype used (and spec'ed in the maintence manual).  Different odor.