German Oculus Placido Disk or Keratoscope Opthalmologist Tool antique handicraft which may be original to

which may be original to the making

The only flaw on this otherwise excellent condition basket

There were a few different plate designs produced

but the tip of one mouthpart on the underside is broken (not visible when worn) and it appears to have lost to the very end tip of the wings

Signed with what looks like "Jani" and stamped "Brandon Stoneware" - a pottery studio in Brandon

German Oculus Placido Disk or Keratoscope Opthalmologist Tool antique handicraft which may be original toI bought this old Placido Disk, or Keratoscope, not knowing exactly what it was, because it reminded me of Duchamp's "Rotoreliefs," and also because I thought it could serve as a great prop for all sorts of things, including perhaps a low budget Sci Fi film! I've since learned that this device, invented in the late 19th century, is an ophthalmic instrument used to assess the shape of the anterior surface of the cornea: a series of concentric rings is