Interchangeable Glassware Distillation Set  14/23-9 piece. This set is designed for teaching organic chemistry to an advanced level. Set includes: 50cm3 pear- shaped flask, still head, Liebig condenser, screwcap adaptor, receiver adaptor, thermometer 0-360 degs C,50cm3 dropping funnel, Air leak-steam inlet tube. Replacement parts available