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Posted by J. Ramón Palacios on October 14, 1999 at 23:56:39:
In Reply to: Classic camera question posted by Trent Schindler on October 14, 1999 at 14:38:43:
: I accidentally left a roll of Kodachrome 64 in my Stereo Realist for several months, and the film spool is now coated with a thick, white corrosion where the leader was in contact with the metal. How can I remove this stuff safely? Has anyone experienced this problem with classic cameras?
Trent:
I assume your concern is the camera and not the roll of film.
Thick, white corrosion ...... uhmmm
Probably a salt. So you will need a soft acid to disolve it.
If you want to risk it yourself instead of letting a repair shop
do it. There is a good chance that with a cotton swab wet of
vinegar you could remove it, with some patience. The trick is
that then you also have to remove the vinegar, so you would have
to wipe it out with some water (very little and many times with
clean swabs each time) and then a very very light coat of oil,
also applied with a cotton swab.
Now the question is, how did it get there?
Was the roll of film wet, before you use it?
Did you have it in your refrigerator before loading it into the
camera?
Or are yourself reloding empty spools and this simple wore out and began to rust with humidity?
But if that was it, how come it is white salt and not brownish rust?
Intriguing.
I once drop a camera into the ocean (close to the beach) and sent it to be rinsed, cleaned and thin oiled and still works after some 15 years.
Good luck
Have a great time
end of archived message
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