Foldable pocket ophthalmoscope
Very simple model consisting of a concave mirror with a hole in it and held by a handle.
Probably from early 1900’s.
Parent had developed a much fancier model of a folding ophthalmoscope in 1880.
Very simple model consisting of a concave mirror with a hole in it and held by a handle.
Probably from early 1900’s.
Parent had developed a much fancier model of a folding ophthalmoscope in 1880.