There is some information on cast iron pots -- types and uses -- in a 1980 artic
le on the potash industry in Canada and the USA:
Miller, Henry
1980 "Potash from Wood Ashes: Frontier Technology in Canada and the United Stat
es." _Technology and Culture_ 21(2):187-208.
David Rotenstein
______________________________________
David S. Rotenstein, Ph.D.
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WWW: http://www.city-net.com/~davidsr/