… Laboratory, hygienic or pharmaceutical glassware, whether or not graduated or calibrated. …
Explanatory notes
… glass articles of a kind in general use in laboratories (research, pharmaceutical, industrial, etc.), including special bottles (gas washing, reagent, Woulf’s, etc.), special tubes (gas washing, drying, … dishes, volumetric flasks, special bell-jars and receivers (vacuum, necked, etc.), special dropping bottles …