This Enables Large Number Of Distillations To Be Carried Out In Rapid Succession, The Evaporation Vessel Enclosed In A Combined Steam Jacket & Trap Accelerate Distillation & When The Supply Of Steam To The Distillation Is Cutt Off, The Apparatus Automatically Sucks Back Thus Ready For The Next Test Markam Still Body. Funnel Plug Leibig Condenser 200mm Clip Joints S 19