It is an indication of the critical temperature of the solid or semi solid to the liquid state. This is used for determining drop point of greases. The apparatus consists of brass sleeve and case with metal cup and a glass boiling tube with cork fitted to a bath (beaker is provided. A stirrer is also provided in the bath. Drop point apparatus hand operated stirrer drop point apparatus with fhp motorized stirrer and electrical heater with energy regulator control ip-31. Same as above electric heated by concealed hot plate.