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[Tim Oppenheim <timopp AT gmail.com>]

I am putting back together my old International and doing something  
new ( to me ) on the rusted parts, electrolytic derusting.

Here is a good link:

http://www.stovebolt.com/techtips/rust/electrolytic_derusting.htm

My setup is a plastic trashcan, 12 volt battery charger, a 4 foot  
piece of 1 inch steel pipe, and a box of baking soda. I have the  
positive attached to the steel pipe and the negative attached to the  
rusted hood of my tractor and all soaking in the trashcan. I am very  
happy with the results. I was planning on sand blasting but some  
folks on another list suggested this.

Tim