Re: variac rebuilding

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Matt Skidmore <fox-at-woozle-dot-org> 

 > wool (if you're careful to leave nothing behind).  Even a pencil eraser
 > works at times.  Unless the windings have been fried there is absolutely

please DO NOT use pencil erasers for cleaning electronic contact
surfaces! many erasers contain sulfur. while the contacts may be cleaned
for the time being the sulfur will corrode the contacts later.

-fox