>    "The conductive material in the nail"
>
> What nail?
>
> We're dealing with wall-board (we just call it "sheet rock"!) and
> studs - real wooden studs! No nails!
>
> These device do indeed work on the principle of dielectric
> differences ...

I didn't know there were devices that did this.  I thought most "stud
finders" really found the nails in the studs.  I'll have to go to the local
hardware store and have a look.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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