Re: Metal Plate

["Bill" <billnomailnospamx@xxxxxxxxx>]

"Bob La Londe"  wrote in message
> Just a metal plate.  That's all that was found on the top of the doors.
> Held down with little nails.  It worked for a long time.  The plastic
> contact recessed in the jamb cleared when the doors were close.  What heck
> was it and how did it work?
>
> It finally failed.  That's how I discovered this little oddity.  I think I
> recall somebody on here mentioning something like it in the past.
>

Did you remove one of these metal plates? And was it in fact a metal plate,
or was there a magnet under it?