German Oculus Placido Disk or Keratoscope Opthalmologist Tool metallic vase I am not quite sure

I am not quite sure what purpose it might have had other than to serve as a decorative souvenir

a disciple of Bernard Leach

I'd be inclined to throw a couple of these empty tins in my bag to use them for carry change

” and has illustrated several books

base and tail feathers

German Oculus Placido Disk or Keratoscope Opthalmologist Tool metallic vase I am not quite sureI 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