Roy J. Tellason
rtellason at verizon.net
Mon Jan 19 07:28:08 CST 2009
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
> 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?
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