At 06:02 PM 7/26/2002 -0400, you wrote:
> > I learned in boy scouts how to make a type of cooler with burlap tacked
> > wooden shelves. Works by evaporation, and, at least in dry climates,
> > fairly well. Anything like that in the middle ages?
There is also a method that is being used in Africa right now. One takes a
very large jar into which another large jar will fit - between the two jars
is a layer of wet sand. You keep a cloth over the top of it. It can
evidently keep things cool for up to a week. Not period that I know of,