Serial dilution machine

Claim 1

A MACHINE FOR DISPENSING LIQUID INTO A SERIES OF CONTAINERS INCLUDING IN COMBINATION, A CARRIAGE ADAPTED TO HOLE THE CONTAINERS ARRANGED UPRIGHT AND IN A ROW, MEANS FOR MOVING SAID CARRIAGE IN THE DIRECTION OF SAID ROW OF CONTAINERS, A SUPPORT MOUNTED ADJACENT THE PATH OF TRAVEL OF THE CONTAINERS ON SAID CARRIAGE, A PUMPPIPETTE ASSEMBLY MOUNTED ON SAID SUPPORT INCLUDING A PLUNGER AND A PIPETTE, SAID PIPETTE EXTENDING DOWNWARDLY FROM SAID SUPPORT OVER THE PATH OF CONTAINER TRAVEL FOR INSERTION INTO THE CONTAINERS, MEANS FOR RECIPROCATING SAID PLUNGER AND MEANS FOR MOVING SAID PIPETTE AND SAID CONTAINER THEREUNDER VERTICALLY RELATIVE TO ONE ANOTHER FOR CAUSING INSETION AND REMOVAL OF SAID PIPETTE INTO AND FROM THE CONTAINER, SAID PLUNGER RECIPORCATING MEANS BEING INTERCONNECTED WITH SAID LAST-MENTIONED MEANS FOR RECIPROCATING SAID PLUNGER DURING THE TIME WHEN SAID PIPETTE IS INSERTED IN SAID CONTAINER, SAID CARRIAGE MOVING MEANS ALSO BEING OPERABLY INTERCONNECTED WITH SAID LASTMENTIONED MEANS TO INDEX THE ROW OF CONTAINERS DURING THE TIME WHEN SAID PIPETTE IS REMOVED FROM SAID CONTAINER WHEREBY IN A REPETITIVE CYCLE OF OPERATION THE PIPETTE IS INSERTED INTO THE FIRST CONTAINER IN SAID ROW, THE PLUNGER RECIPROCATED, THE PIPETTE WITHDRAWN CLEAR FROM SAID FIRST CONTAINER AND THE CARRIAGE MOVING MEANS INDEXED TO BRING THE NEXT SUCCESSIVE CONTAINER BENEATH THE WITHDRAWN PIPETTE.