Aren't a lot of those turrets silver plated?  Would silver whiskers 
tarnish like that over age?

I'm just a CAD guy, but that's the first thing that comes to mind...


Olav

On 3/8/2012 10:39 AM, Goodyear, Patrick wrote:
> Ok got a new one.    Found on the plated portion of a turret a black fuzz, also on the riveted backside and the plated portions of all of the lands outside the soldered areas.
> It cleans right off with alcohol leaves no residue, is crystalline in structure and grows away from the metal has a coral like appearance.
>
> I have attached pictures but Steve is off today so don't know who else can post.
>
> Again a 40 year old board.
>
> Any ideas????
>
> Pat
>
> .
>
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud service.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
>

______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please contact helpdesk at x2960 or [log in to unmask] 
______________________________________________________________________