Archived posting to the Leica Users Group, 1998/11/07

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Subject: Re: [Leica] Re: B&W technique - Rodinal
From: Jim Brick <jim@brick.org>
Date: Sat, 07 Nov 1998 00:19:29 -0800

Ted, when was Rodinal invented?

Thanks,

Jim

At 11:32 PM 11/6/98 -0500, you wrote:
>Jim-
>With that dilute a solution of Rodinal, doesn't it act as a 'compensating'
>developer? I had always thought so because the reaction products of the
>dense areas retard the activity immediately next to unexposed areas creating
>sharper delineation, but the dilute solution also keeps large high light
>areas from blocking up while the shadows develop. I've used it for  over
>thirty years and for some work, especially people, it is superb. It is
>supposedly the oldest proprietary developer still being made- If I recall,
>it should be now well over a hundred years old-- I can't remember the exact
>date it was introduced, but I don't even think you are that old! Your
>scotch, maybe!
>Dan :)
>dwpost@msn.com
>