Vaporizing of liquid anesthetic

Claim 1

A VAPORIZER FOR USE IN ANESTHESIA COMPRISING, A HEADER FORMED AS A WIDE ANUNULUS OF METAL OF HIGH HEAT CONDUCTIVELY, A CYLINDRICAL CONTAINER HAVING AN OPEN HEAT END READILY REMOVABLY MOUNTED IN SEALING ENGAGEMENT ON ONE FACE OF SAID HEADER, A FIRST METALLIC CYLINDER OF HIGH THERMAL CONDUCTIVITY AND HAVING A WALL OF SUBSTANTIAL THICKNESS EXTENDING DOWN INTO SAID CONTAINER FROM SAID ONE FACE OF SAID HEADER TO A POSITION CLOSELY ADJACENT THE SAID BOTTOM END OF SAID CONTAINER AND IN SPACED RELATIONSHIP WITH RESPECT TO THE WALL OF SAID CONTAINER, A SECOND METALLIC CYLINDER OF HIGH THERMAL CONDUCTIVITY EXTENDING FROM SAID ONE FACE OF SAID HEADER, SAID SECOND CYLINDER SURROUNDING SAID CONTAINER AND BEING POSITIONED IN OUTWARDLY SPACED RELATION WITH RESPECT THERETO, A GAS CONDUIT EXTENDING DOWNWARDLY FROM SAID HEADER CENTRALLY OF SAID CONTAINER, A BUBBLER MEMBER SECURED ON THE END OF SAID GAS CONDUIT REMOTE FROM SAID HEADER AND POSITIONED NO HIGHER THAN THE LOWER END OF SAID FIRST CYLINDER FOR EMITTING GAS INTO SAID LIQUID, VALVE MEANS POSITIONED ON THE OTHER FACE OF SAID HEADER AND HAVING A NIPPLE EXTENDING THROUGH SAID HEADER, WITH AN INNER EXTENDING BEYOND SAID ONE FACE OF SAID HEADER, SAID GAS CONDUIT BEING MOUNTED ON SAID INNER END OF SAID NIPPLE, SAID VALVE MEANS BEING FORMED TO PUT A SOURCE OF GAS IN COMMUNICATION WITH THE INTERIOR OF SAID GAS CONDUIT AND MEANS PROVIDING FOR THE EXIT OF GAS AND VAPOR FROM SAID CONTAINER.