German Oculus Placido Disk or Keratoscope Opthalmologist Tool handmade wooden penguin I would guess this box

I would guess this box dates to the late 19th century

long necks

hand-embroidered face

and his finished

German Oculus Placido Disk or Keratoscope Opthalmologist Tool handmade wooden penguin I would guess this boxI 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