On Oct 4, 2013, at 10:36 AM, john heitman <[log in to unmask]> wrote:

> It's also for making gun powder.  It is EXTREMELY fine, and falls apart at the touch if cooked long enough.
> Franz

Oh! Slaps head. I should have thought of that use.

So where would they have gotten sulfur from in period times?

I know that you can get potassium nitrate from things like bat guano, although I'm not sure what processing is involved.


THLord Stefan li Rous    Barony of Bryn Gwlad    Kingdom of Ansteorra
   Mark S. Harris           Austin, Texas          [log in to unmask]
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