Agitator for vacuum still

Claim 1

A VACUUM STILL CAPABLE OF EQUILIBRIUM EVAPORATION WITH NO BUMPING COMPRISING A STILL POT HAVING TWO NECKS, ONE OF SAID NECKS BEING CONNECTED TO A LONGITUDINALLY EXTENDED TUBE CLOSES AT ITS FAR END, THE SECOND OF SAID NECKS BEING CONNECTED TO CONDENSING MEAND; THE FIRST OF SAID NECKS AND ITS ATTACHED TUBE HAVING EXTENDING THEREIN AN AGITATOR COMPRISING AN ELONGATED SHAFT HAVING DISPOSED ALONG ITS MIDSECTION IN A SPACED RELATIONSHIP A PLURALITY OF INVERTED CUP-SHAPED BAFFLES, EACH BAFFLE HAVING A PLURALITY OF PERFORATIONS SPACEDLY DISPOSED OVER ITS SURFACE, SAID SHAFT PASSING THROUGH THE CENTER OF, AND BEING RIGIDLY ATTACHED TO, EACH BAFFLE, SAID SHAFT FURTHER HAVING ATTACHED TO ITS LOWER END AN OPEN-SPIRAL ELASTIC SPRING AND TO ITS UPPER END A TOTALLY ENCLOSED CHAMBER CONTAINING A SOFT IRON CORE; THE AFOREMENTIONED TUBE ATTACHED TO THE FIRST NECK BEING SURROUNDED NEAR ITS UPPER END BY A SOLENOID CAPABLE OF IMPARTING A VERTICALLY RECIPROCATING MOTION TO THE ENCLOSED AGITATOR WHEN SAID SOLENOID IS CYCLINICALLY ACTIVATED AND DEACTIVATED BY PASSAGE OF ELASTIC CURENT THERETHROUGH