Ivor and Olive Lewis on wed 6 aug 08
Dear Lesley Anton,
Lawrence and West, "Ceramic Science for the Potter" attribute this
fault to particle orientation effects.
They draw on Norton for their information in suggesting that seams
should be
1, lightly hammered to induce plastic flow.
2, Bisque fired and then ground to remove the proud material.
3, Cut a groove in the leather hard clay and refill with plastic clay.
I think Jonathan Kaplan would have the best information if you can
contact him.
Best regards,
Ivor Lewis.
Redhill,
South Australia.
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