Dry cleaning

Claim 1

IN THE DRY CLEANING OF FABRICS BY THE "TWO-BATH" METHOD IN A SYSTEM WHICH INCLUDES A WASHER ADAPTED TO HOLD FABRICS TO BE DRY CLEANED, A FILTER, CONDUITS INTERCONNECTING THE WASHER AND FILTER AND A PUMP FOR CIRCULATING THROUGH THE WASHER, FILTER AND CONDUITS A WATER-IMMISCIBLE ORGANIC DRY CLEANING SOLVENT WHICH IS ACTIVATED BY SMALL PROPORTIONS OF AN OIL-SOLUBLE NON-VOLATILE DRY CLEANING DETERGENT AND WATER SO FINELY DISPERSED AS TO FORM A SUBSTANTIALLY CLEAR HOMOGENOUS "SOLUTION," THE STEPS WHICH INCLUDE PLACING THE FABRIC TO BE DRY CLEANED IN THE WASHER, CIRCULATING THE SAID "SOLUTION" THERETHROUGH AND CONTINUOUSLY THROUGH SAID FILTER WHEREBY TO REMOVE SOIL FROM SAID FABRICS AND WHEREBY, UPON INITIAL CONTACT OF SAID FABRICS WITH SAID "SOLUTION" A PORTION OF THE WATER IN SAID "SOLUTION" IS ABSORBED BY SAID FABRICS, AND, PROMPTLY UPON SAID ABSORPTION OCCURING, AUTOMATICALLY ADMITTING WATER INTO CONTACT WITH SAID "SOLUTION" TO EFFECT AT LEAST A SUBSTANTIAL REPLACEMENT OF SAID INITIALLY ABSORBED WATER, SAID AUTOMATIC ADMISSION OF WATER BEING EFFECTED IN RESPONSE TO A CHANGE IN THE ELECTRICAL CONDUCTIVITY OF SAID "SOLUTION" CAUSED BY SAID ABSORPTION OF WATER FROM SAID FABRICS BY REASON OF THE INITIAL CONTACT THEREOF BY SAID "SOLUTION," THE ELECTRICAL CONDUCTIVITY OF SAID "SOLUTION" DURING THE WASHING CYCLE BEING MAINTAINED WITHIN THE RANGE OF FROM ABOUT 10 TO 120X10**-7 MHOS.