IF YOU THINK MY PRICES ARE LOW SO THERE MUST BE SOMETHING WRONG, THERE ISN'T, UNLESS NOTED. I'M 82 AND HAVE 3 TRACTOR TRAILERS FULL OF STUFF. HAVE TO UNLOAD. THIS HOBBY AND GOLF KEEPS ME YOUNG.  THAT BEING SAID.   UP FOR SALE IS THIS COLE PARMER MASTER SERVODYNE CONTROLLER.POWERS UP. WHEN I SAY POWERS UP, THAT'S ALL I MEAN. UNIT NOT SHORTED OUT. I HAVEN'T TESTED  THE FUNCTIONS OF THIS UNIT.  PLEASE USE PICS AS PART OF DESCRIPTION. I HAVEN'T TRIED TO CLEAN OR POLISH. WILL COMBINE SHIP. I OFFER DIFFERENT SHIPPING OPTIONS , I FING FEDEX ECONOMY IS USUALLY THE CHEAPEST. INTERNATIONAL WINNERS MUST USE THE GLOBAL SHIPPING PROGRAM.