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<p>[QUOTE=&quot;Steersman, post: 101993, member: 239&quot;]<font face="Verdana"><font size="5">I&#039;m leaning towards a newer origin myself.&nbsp;&nbsp; The interior isn&#039;t slick enough for a pharmaceutical application.</font></font></p><p><font face="Verdana"><font size="5"><br /></font></font></p><p><font face="Verdana"><font size="5">That said, mortars are used in many other ways.&nbsp; I have several large cast iron mortars.&nbsp; These are sometimes called mining mortars, and were said have been used to crush ore for assaying.&nbsp;&nbsp; No doubt they were used in other industrial applications as well.</font></font></p><p><font face="Verdana"><font size="5"><br /></font></font></p><p><font face="Verdana"><font size="5">A spark-proof brass or bronze mortar would be required for potentially explosive materials.</font></font>[/QUOTE]</p><p><br /></p>

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