The Rotomantle is a combination of heating Mantle cum Magnetic Stirrer to obtain heating & stirring in flat bottom round flasks. The unit has two tier construction with the upper compartment consisting heating mantle made of fiberglass yarn & fitted with heating element. The smooth running apparatus utilises the rotating magnetic field from a balanced permanent magnet to induce variable stirring action & uniform heating in closed or open flat bottom round flasks. The unit is provided with a teflon coated magnetic stirring paddle. The stepless Speed Control enables stirring from very low to the maximum & the energy regulator controls the heating at any desired percentage of the heating capacity.