From: Judy Seigel (jseigel@panix.com)
Date: 09/08/01-12:41:39 PM Z
On Fri, 7 Sep 2001, Christina Z. Anderson wrote:
> Ceramics, as well as glass, need cleaning and subbing or the stuff will
> slough right off. Sub both with a hardened gelatin coat. Fabric needs no
> prep. Method of subbing glass: first, do not clean glass with soap with
> this method, as it may leave a film deposit. Clean it with sodium
> carbonate--sal soda, washing soda, Arm and Hammer. Let it dry. Then, take
> 1 teaspoon of Knox gelatin per pint of water, and sprinkle it in cold water
> and let it stand for 15 minutes until dissolved. Heat gently on the stove
> until melted. Add 10 drops of chrome alum to each ounce (30 cc) of this
> solution, and pour the hot solution onto the glass. Allow to dry 4 hours or
> overnight.
10 drops of what % chrome alum ???
J.
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