On Sunday 18 January 2009 11:23:42 pm Mike Loewen wrote:
I'm in the process of rejuvenating an IBM
model 29 keypunch, and a
couple of areas have some sort of oxidation on them. The card drum is the
worst:
http://sturgeon.css.psu.edu/~mloewen/CardDrum.jpg
The steel parts are fine, but the rest has a white material over most
of it. I'm not sure what sort of metal it is, looks a bit dark for
aluminum but the white material looks similar to aluminum oxidation.
I'll bet that stuff's galvanized (zinc-plated).
What's a good approach to cleaning it up?
Steel wool?
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
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Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin