Archived posting to the Leica Users Group, 1997/08/20

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Subject: Re: Moss on DR Summicron
From: Dave Munroe <dmunroe@vcd.hp.com>
Date: Wed, 20 Aug 1997 10:43:40 PDT
 
> The only serial number breakdown that I can find for the DR lens is from 
> the first edition of van Hasbroeck's _Illustrated History_; he gives 
> 2233899 as the point at which the short end of the distance scale changed 
> from 19 to 20 inches.

Mine is 219xxxx and has 20 inches marked on the distance scale in the
normal fashion.  However, there is also a small "19" marking on the barrel
which is rotated 90 degrees counterclockwise from the other markings.

- -Dave