> Hi again Josephine > > Just found out what a glass grinder did - see below. Regards again - Ann > > TITLE(s): GLASS GRINDER (glass mfg.) > > Removes rough edges and surface convexities from formed glassware, using > belt or disk grinder: Turns valves to regulate flow of abrasive compound and > water on metal disk or to regulate flow of water on grinding wheel or belt > grinder. Presses and turns edges and surfaces of glass or glassware against > revolving grinding tools to remove rough and uneven areas. May measure > glassware for conformance to specifications, using steel tape, template, and > fixed gauges. May grind glass container mouth with mating glass stopper to > ensure fit and be designated Stopper Grinder (glass mfg.). >