Archived posting to the Leica Users Group, 2000/04/27

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Subject: [Leica] Grün................OFF TOPIC
From: "Joe Codispoti" <joecodi@thegrid.net>
Date: Thu, 27 Apr 2000 00:12:59 -0700
 
There is a German word that has haunted me for many years. I hope someone
among the many on this list who speak German will be able to help.

In certain types of cameras, mainly older Zeiss, at times there are "bumps"
visible on the surface of the leatherette.
These protrusions are caused by corrosion of the underlying screw head. The
corrosion grows over time.
I recall many years ago someone calling this phnomenon "grün....something",
a word that I think meant "copper or brass oxide".
Can someone complete the word in question?
Thanks in advance.

Joseph Codispoti