rust prevention

[William Hartwell Woodruff <woodruff@engin.umich.edu>]

> The last approach would be one of the "anti-electrolysis" devices sold
> by J. C. Whitless (and probably others).  Supposedly these devices
> introduce a small electrical current into the chassis which prevents
> or even reverses electrolytic corrosion.  Thoughts, comments, giggles?

        don't they do something similar on steel hull ships?  I think they 
use a sacrificial piece of metal which they let rust and therefore remove/
use up/involve some critical component of the oxidation process.

woodruff@caen.engin.umich.edu