flatting hearth

Gla -making : The plate on which gla is flatted, It is of devitrified gla , fire-proof clay, sandstone, or other material which will resist heat and maiutain the e ential perfectly smooth surface. flatting-mill, s. 1. A rolling-mill producing sheet-metal. 2. In the Mint, the rolling-mill for producing the ribbon from which the planchets are punched. 3. A mill having a pair of hard, polished steel rolls, through which grains of metals are pa ed to be fratted for ornamental purposes. The produce is known as metallic dust.