Coating and/or conservating

As I promised earlier two oldtimer coating examples
are visible now.

A 80-100 years old gelatine-silver plate surface. All
with silver mirroring except a part what was covered
with mattolein for retouch on the face of soldier. (The
little shining spots in the covered part is a pencil
retouch.

http://img.tar.hu/aikus/size2/19438724.jpg

The same plate transparently:

http://img.tar.hu/aikus/size2/19438703.jpg

About a same old plate, covered with unidentified
clear, glossy lacquer layer, but a few little places
where the lacquer is missing shining because the
strong silver mirroring while the covered part is clear.

http://img.tar.hu/aikus/size2/19438685.jpg

(Or all at:
http://kep.tar.hu/aikus/50219764/19438724#2 )

Anyway to use a new plastic covering material has
unidentified risk(s). Even if it tested. A few tests about
a few known deterioration factor or/and a simulated
aging is not the same like eg. a hundred years of
storage. So my suggestion: search in several
collections for oldtimer covering technics which was
not blamed while a long time...

Bálint

Bálint Flesch

http://archfoto.atspace.com/english

Some quote from my mentioned message because
january messages recently out of the web:

> Date sent: Mon, 23 Jan 2006 11:59:42 +0100
> From: fb <aikus2@freestart.hu>
> Subject: Re2: Eastern European RC papers
>
>
> The early dry (gelatine silver glass) plates which has a
> strong silver mirroring on the full surface, quite clear
> on the places where was covered with some lacquer
> (mattolein, for pencil retouch).
>
> In other cases where
> the full surface was lacquered the plates are clean but
> the spots wherw lacquer layer is missing (the corners)
> are silver tarnished.
>
>
> Date sent: Tue, 24 Jan 2006 10:40:53 +0100
> From: fb <aikus2@freestart.hu>
> Subject: Re: Eastern European RC papers
>
> I will try to found my photos about it and show it on my
> site (but I need some time for this).
>
Received on Sun Feb 5 17:23:30 2006