23 UNITARY APPARATUS FOR THE RECOVERY OF OILS AND LIQUIDS FROM SEED, NUTS, MEATS AND THE LIKE BY A COMBINED PROCESS OF MECHANICAL EXPRESSION AND SOLVENT EXTRACTIONS, SUCH UNITARY APPARATUS COMPRISING SCREW PRESSES AND PARTS THEREFOR,SCREENING, FILTERING OR SETTLING APPARATUS, MECHANICAL CONVEYORS AND APPARATUS FOR FOOTS REMOVAL, TOASTERS, AUTOCLAVES, AND CONDITIONERS, INCLUDING MECHANICAL AGITATING MEANS, AND PARTS FOR ALL SAID ELEMENTS