Re: Means to an end..... -Forwarded -Forwarded

Michael Silver (mikesilver@mindless.com)
Sat, 21 Mar 1998 01:47:12 -0500

RE: Permanence.
The limiting factor of a platinum print is the paper. As a result I have
been experimenting with printing on China Clay Gessoed Masonite. If
medieval panels are any indication these should not just last but stay
fresh for at least 1000 years.
Mike Silver

Bob_Maxey@mtn.3com.com wrote:
>
> And, as far as permanence is concerned (and I am seriously concerned), none
> of the slides I have that were made prior to 1955 (and that includes
> Kodachrome) are in pristine condition, even though they have been in the
> dark under fairly controlled conditions most of the time.
>
> I have thousands of Kodachromes that tell a different story. Are you sure
> they were processed by Eastman Kodak; many slides of that era were not. The
> only Kodachromes in my collection that have problems are those not
> processed by Kodak. Especially the Kodachromes that were processed by
> Technicolor Labs; all or most are faded to magenta. Incidentally, most of
> my old Ektachromes are faded to varying degrees. The only other slides that
> have not are Agfachromes. If none of your slides dating to 1955 are good, I
> suggest you have problems that are not to be attributed to Kodachrome. No
> one else I know has this problem, and from other lists, I hear the same
> thing....Kodachromes lasting the longest and still perfect. I also have
> about 2500 early Kodachrome Viewmaster reels, perfect condition. And my
> collection of Kodachrome Prints and sheet Kodachromes are still good. I
> also collect Kodachrome Stereo Slides and I have yet to see any problems
> here, either.
>
> Color prints I
> made in the 1950s into the 60s are largely gone (but better than
> commercially made ones of the same period). There are no "original"
> Polaroid pictures that are fit to be looked at.
>
> This is to be expected. ALL of my Polaroids are bad, but Polaroid is hardly
> an archival process. The only exception is P/N 4 X 5 stuff....still usable.
>
> And commercially produced
> BW prints from even 50 yrs ago are, for the most part, faded or fading
>
> I worked for a the oldest photographic firm in Utah, and one of the oldest
> Kodak Dealers in the USA. In the collection were tens of thousands of Glass
> Plates, Nitrate based negatives, Cirkit rolls, and lots of other negative
> materials. These images were not stored in the best of conditions, but are
> perfect. No fading, either. Each envelope had a print made when the
> negatives were processed. Still perfect. Here again, I think you might have
> issues unrelated to the materials. Processing might be a suspect as well.
>
> (I
> do a lot of computer improvement on these for genealogical purposes). The
> scientists can produce inks/dyes that have longer life, they are working on
> it, and we should (a la Cibachrome/Ilfochrome) have pigments and dyes for
> computerized printing that will be the equivalent or better than in
> chemically produced color prints.
>
> One day perhaps, not yet however.
> Getting back to the Alt-Photo thing for a moment: I hope all those working
> on color "carbon" prints are paying close attention to the mordanted dyes
> they are using for the color: many water colors are not even as permanent
> as the dyes used in color prints and computerized prints.
>
> Very true, there is a considerable amount of variation here. Dye Transfer
> prints are still very stable and materials are once again being offered.