Explanatory notes
… culture flasks (Kolle, Roux, etc.), burettes of all kinds, evaporating dishes, volumetric flasks, special bell-jars and … dialysers, adapters, condensers, receivers for distillation apparatus, special funnels (with stop-cock, bulb-shaped … purposes ( heading 70.20 ). (b) Glass instruments and appliances of Chapter 90 , for example, hypodermic syringes, …