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anti-scumming agent in terra cotta

updated mon 30 sep 96

 

James Dapogny on mon 16 sep 96

A potter friend of mine asked if I would inquire as to whether anyone knows
of a substitute for barium carbonate as an anti-scumming agent in terra
cotta clay. Thanks for any help you can give.
Gail Dapogny in Ann Arbor