German Oculus Placido Disk or Keratoscope Opthalmologist Tool handmade wooden penguin and one claw is a

and one claw is a bit darker in tone than the other

They were ultimately replaced by the (far less beautiful

long necks

hand-embroidered face

German Oculus Placido Disk or Keratoscope Opthalmologist Tool handmade wooden penguin and one claw is aI 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