U of S | Mailing List Archive | alt-photo-process-l | RE: gum preservatves (polyester resin)

RE: gum preservatves (polyester resin)


Sorry it's resin not rosin. Two very different substances. Resin is man
made; rosin is a natural product.

Don Bryant

-----Original Message-----
From: Alberto Novo [mailto:alt.list@albertonovo.it] 
Sent: Friday, September 05, 2008 3:22 AM
To: alt-photo-process-l@usask.ca
Subject: Re: gum preservatves (polyester resin)

> But I'll look for the polyester resin -- whatever that is. It reminds me 
> that I came across a formula for "resinotype" in an American Annual of 
> Photography from the 1920s... Very frustrating: It calls for "resin" but 
> doesn't say what kind.

Simply change a vowel: rosin