Archived posting to the Leica Users Group, 1999/04/11

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Subject: Re: [Leica] Re: Problem with M6 scratching film
From: Dan Cardish <dcardish@microtec.net>
Date: Sun, 11 Apr 1999 11:33:13 -0400
 
It looks like we can add one more thing to the list of things to watch out
for when shopping for a used M Leica; that is signs a previous owner has
tried polishing the pressure plate.

Dan C.

At 10:05 AM 11-04-99 EDT, DonjR wrote:
>Just a few thoughts about the film scratches this Sunday morning.
>
>In the early days of the M-3's, the pressure plate was ceramic, if my memory 
>serves me correctly, but that was changed when static electricity discharges 
>on the film were apparently traced back to the film rubbing across the 
>ceramic plate thus generating static electricity.  At least that was the 
>story in the 1950's.
>
>Polishing the current pressure plate.  [snip]