kateb@paradise.net.nz wrote:
>
> This may sound silly but there may be a world shortage of gum acacia which I
> think is the most suitable one for our purposes - Elephants have decimated this
> species. There are several different types of gum that originate from different
> species of trees, also the way the gum is refined differs from place to place.
I read something years ago, I don't remember where, that said that the
lithographer's gum isn't gum acacia but is some other kind of sap, which
would certainly explain its having different properties. The thought of
gum acacia disappearing from the planet is not a happy thought!
kt
Received on Wed Nov 5 18:32:27 2003
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