For worst scenario cases like this, IF I'm not dealing with vintage celluloid or other questionable material (and you aren't here)
I often bump the Ammonia up to 20%.
Ivan, DO NOT attempt to disassemble the nib section on the Cross. There is a congenital problem with the CCI nib sections where
the nib will loosen in the section and not be repairable. Cross has no more CCI sections. I would do nothing more than ultrasonically
clean this nib. (When you can again, search FPN for Cross Century nib wobble.)
For the sonicator, find yourself a small thin plastic disposable cup (NOT styrofoam!) fill that about 2/3 up with 20% Ammonia water
and your nib sections and go hunt out a local jewelry (repair) store or pawnshop and take the cup in there. Ask them to put the whole
cup in their cleaner. (Might want to be sure the level his fairly high on the cup so it stays submerged.) The sonicator waves will pass
right through the plastic cup to the nibs but the cup keeps the Ammonia water out of their solution. I'd sit there and chat with them
for the 6-10 minutes it took. If they charge you at all, it shouldn't be much.
[EDIT] If you'd rather, use the Google search for FPN, that still works if the site is down.
http://www.google.com/cse/home?cx=01...95:1rsitsemrpo
Bruce in Ocala, FL
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