Recording of freeness of paper making stock

Claim 1

APPARATUS FOR CONTINUOUSLY RECORDING THE FREENESS OF PAPER MAKING STOCK COMPRISING A DELIVERY CHANNEL FOR RECEIVING PAPER MAKING STOCK DILUTED WITH WATER, SENSING MEANS OPERATIVELY CONNECTED TO A DIFFERENTIAL TRANSFORMER-TYPE MEASURING MEANS DISPOSED IN SAID DELIVERY CHANNEL FOR SENSING VARIATIONS IN THE CONSISTENCY OF SAID PAPER MAKING STOCK, A FREENESS TESTING ASSEMBLY DISPOSED ADJACENT SAID DELIVERY CHANNEL INCLUDING AT LEAST ONE VESSEL MEMBER OF CONSTANT VOLUME OPERATIVELY CONNECTED TO A ROTATING MEANS TO ROTATE SAID VESSEL MEMBER IN A CIRCULAR PATH, SAID VESSEL MEMBER RECEIVING DURING A PORTION OF SAID CIRCULAR PATH A SAMPLE OF SUBSTANTIALLY CONSTANT VOLUME OF SAID PAPER MAKING STOCK, SAID VESSEL MEMBER DRAINING DURING ANOTHER PORTION OF SAID CIRCULAR PATH THE WATER FROM SAID SAMPLE OF PAPER MAKING STOCK, TANK MEANS FOR RECEIVING THE DRAINED WATER, FLOAT MEANS OPERATIVELY CONNECTED TO A FURTHER DIFFERENTIAL TRANSFORMER-TYPE MEASURING MEANS DISPOSED IN SAID TANK MEANS FOR MEASURING THE VOLUME OF THE DRAINED WATER, TEMPERATURE MEASURING MEANS DISPOSED IN SAID TANK MEANS TO MEASURE THE TEMPERATURE OF THE DRAINED WATER, MEANS CONNECTING SAID DIFFERENTIAL MEANS FOR SENSING VARIATIONS IN THE CONSISTENCY OF SAID PAPER MAKING STOCK AND SAID TEMPERATURE MEASURING MEANS TO SAID FURTHER DIFFERENTIAL MEANS TO APPLY CORRECTIONS TO THE MEASUREMENTS OF THE VOLUME OF THE DRAINED WATER TO OBTAIN FREENESS OF SAID PAPER MAKING STOCK, AND MEANS FOR RECORDING THE FREENESS OF SAID PAPER MAKING STOCK.