Its been to many years since chemistry..but i believe you cannot magnetize aluminum..... so the wire must have some sort of coating that appears to be silver/aluminum in color.
I have many spools of Webster and Silvertone/sears wire that look the same. The old Webster Chicago runs mechanically but the electronics need re-capping >>> ahh a job for later since i havent had any requests to transfer wire lately.
--- On Wed, 5/6/09, Angie Dickinson Mickle <[log in to unmask]> wrote:
> From: Angie Dickinson Mickle <[log in to unmask]>
> Subject: Re: [ARSCLIST] wire recordings - archival storage
> To: [log in to unmask]
> Date: Wednesday, May 6, 2009, 7:45 AM
> I have seen some spools that were bare aluminum (usually
> with no label), but you are right most seem to be pot
> metal. Pretty awful getting the wire off when the rims
> have been broken.
> I will be paying more attention to these issues. And
> if you uncover any more information, please let us know what
> you find.
> Very cool that the plant is still there. It would be
> fun to drive passed the next time I'm in town.
> Angie Dickinson Mickle
> Avocado Productions
> Broomfield, CO