Re: Gesso sizing (Katharine) Gelatine Mold

From: Ender100@aol.com
Date: 01/19/06-02:15:12 PM Z
Message-id: <66.67187c34.31014d50@aol.com>

In a message dated 1/19/06 2:01:03 PM, kthayer@pacifier.com writes:

> This is an open question. Those of us who use this combination don't 
> harden it, and certainly there hasn't been anything in my gum 
> printing practice that dictates the hardening of the combination;  
> that is, the sizing works quite well without further hardening. But 
> I've also sized with unhardened gelatin without finding any practice-
> driven need to harden it, and have relied on the hardening it 
> receives in the gum printing process (somewhere I have demonstration 
> visuals to show that the gelatin is hardened by the dichromate in the 
> gum process) for hardening for purposes of retarding mold and such. I 
> don't know if this would be the case for the gelatin that's mixed 
> with the gesso, but I don't know why not either.
> Katharine
>

Mark I. Nelson
www.MarkINelsonPhoto.com
www.PrecisionDigitalNegatives.com
PDNPrint Forum @ Yahoo Groups
Received on Thu Jan 19 14:16:03 2006

This archive was generated by hypermail 2.1.8 : 02/14/06-10:55:39 AM Z CST