GlazeCal Glaze Conversion Slide Rule
$24.99
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The GlazeCal Glaze Conversion Slide Rule is a sliding ruler that calculates how much of each material you will need for your glaze.GlazeCal is made of two 8-1/2”, double-sided calculator boards covered by a gloss varnish coating.Each calculator is held together with metal eyelets and glue.
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