[pure-silver] Re: Old Kodak Projection paper :
- From: Barrie Bunning <barrieb@xxxxxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Sun, 30 Jan 2005 08:25:57 +1100
Greetings Dave and Richard;
Many thanks for the quick replies, very helpfull. I will start some
testing soon.
Cheers, BarrieB
At 12:58 PM 29/01/2005, you wrote:
>Yes Kodagraph was used in the printing industry usually to make halftone
>images. Used with dot matrix screens and a point light source. It will
>develop in any paper developer. The rough texture was to prevent Newton
>rings because negatives / screens were placed in contact with the paper. I
>don't have any sensit. properties any more. But I expect it to be very high
>contrast. If you intend to use it for pictorial imagery you may want to use
>a low contrast developer.
>
>It was the late '70's that I worked with those papers.
>
>Dave.
>
> > The OB was the old standard Kodak filter for graded paper.
> > The OC has more a more limited spectrum. It is suitable for
> > any paper which is "safe" with the OB filter but the OB
> > filter should not be used for papers specifying an OC filter
> > such as modern variable contrast filters.
> > I think Kodagraph was a document copying paper, Dave Valvo
> > will know.
>
> > Richard Knoppow
> > Los Angeles, CA, USA
> > dickburk@xxxxxxxxxxxxx
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barrieb@xxxxxxxxxxxxxxxxxxxx{ Melbourne , Australia }
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