"Ophthalmologist's Set From The Société Des Lunetiers, Circa 1920. Glasses, Optician."
Large ophthalmologist's box used to test patients' eyes by trial and error. The concave, convex, cylindrical, prismatic lenses go in pairs of diopters. The box is complete and has 162 lenses that fit on an adjustable mount (eye distance, nose height). Manufacture of the Société des Lunetiers of the early twentieth century. Very good state.