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Subject:Re: Thai ceramic box
Posted By: Anita Mui Tue, Feb 03, 2009
Dear Walter
The glaze of your piece look like it was blasted, or blown, or poloshed with sand / sand paper, which made the glaze dull, not shiny like other museum samples. And the surface of your jar is not smooth.
After dipping the bisquit (pottery after first firing from clay/earth to be light brown hard material) the potter must leave the piece cool in a kiln for few day, then take it out and dip it in the slipping paste which is a glazing material, a mixture of water, quartz powder, and other mineral...etc. Then leave it dry up for week, then high fire it, so the surface must be smooth no matter how old the piece is. Glazing made the pottery resists acid in the burial environment which is unlikely to be like surface of your piece.
In ancient time, the handle of the lid were made from the same mold, but each workshops used different molds. The shape of the jars are hand free made on foot spining disc. And the copies selling in the market are perfectly round which said to be pumped up from mold, so they will show no various kind of shape, human error, and feeling of "free hand".
Without personal handling, I may be wrong.
Have fun
Anita Mui
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