VINTAGE KOCOUR CO. CHICAGO CAST IRON HAND CRANK TABLE MOUNT CENTERIFUGE  MADE BY PRECISION SCIENTIFIC CO. CHICAGO, U S A.  THE RATIO IS 15 / 1 AND IT IS COMPLETE WITH MOUNTING CLAMP AND KOCOUR CO. GLASS TUBES. USED FOR DAIRY FARMING CREAM SEPARATOR OR IN A CHEMISTRY LAB STANDS 11 1/2 INCHES TALL  WORKS AND LOOKS GREAT. THERE IS NO DAMAGE AT ALL ANY QUESTIONS PLEASE ASK.