Movable thermocouple for determining and controlling the location of the vapor condensation ring in a fractionating column
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5. IN APPARATUS FOR DETERMINING AND RECORDING CONDITIONS IN ANALYTICAL DISTILLATION APPARATUS HAVING A FRACTIONATING COLUMN SUPPLIED WITH VAPORS AT ITS LOWER END AND COOLED AT ITS UPPER END, WITH VAPOR EXIT MEANS AT ITS UPPER END, SAID COLUMN HAVING NEAR ITS UPPER END A MINIMUM TEMPERATURE POINT OF VAPOR CONDENSATION SUSCEPTIBLE OF VARIATION WITHIN A LIMITED REGION, A FIXED THERMOCOUPLED IN SAID REGION OF VARIATION OF THE MINIMUM TEMPERATURE POINT, MEANS OPERABLE FROM SAID FIXED THERMOCOUPLE FOR CONTROLLING THE RATE OF DISTILLATION FROM SAID COLUMN, A THERMOCOUPLE VERTICALLY MOVABLE WITHIN THE REGION OF VARIATION OF SAID MINIMUM TEMPERATURE POINT, MEANT FOR RECORDING THE TEMPERATURES INDICATED BY SAID MOVABLE THERMOCOUPLE, MEANS FOR RECIPROCATING SAID
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