Hello, a practcle (but cheap, about $49.00/US) attachable mechanicle stage (made in India) sell in parts supply catalouge :"SURPLUS SHED", US company/online services, but 'you said: "refurbish", not:'cheap/practicle'. Either 'g2b2', or gcouger are true microscopists who can'shepard you to a proper selection. happyspringtime, charlie guevara,NJ,US