5 20 14 15 8 To drain in hood 11 7 Attach to water line in hood 4 6 18 9 11 16 1 13 2 19 10 3 17 1 - Glass Reactor 12 - Manometer 2 - Stirrer Bar 13 - Vacuum Line 3 - Magnetic Stirrer 14 - Glass Vacuum Distributor 4 - Glass T Connector 15 - Vacuum Line 5 - Thermometer 16 - Glass Vacuum Trap 6 - Glass Condensor 17 - Liquid Nitrogen Dewar 7 - Water Line In 18 - Vacuum Line to Vacuum Pump 8 - Water Line Out 19 - Heating Mantle 9 - Glass Curve Connector 20 - Valve Open to Air 10 - Glass Receiver Flask Glass Joint - Use Vacuum Grease 11 - Vacuum Line Vacuum Joint - Use Clamp 12