Stereotaxic Apparatus Frame Assembly This unit was purchased at a local University surplus auction. Was sold as the ? STEREOTAXIC LOT? however it did not come with paperwork and I do not see any engraving of the manufacture so I cannot guarantee. Only someone who truly knows about these units (I do not) will be able to tell what this truly is. no prior history to this unit. This unit displays signs of use and may display some or all of the following ? surface scratches, scuffs,markings, darker markings, tape residue,signs dust and possible rust etc. I took the best photos possible for the new buyer to see them Actual pictures fast and free shipping. What is photographed is what is promised I myself have no way to test so I will be listing as parts or repair as is final sale Free shipping thank you so much for your time and have a wonderful