Details
An optician's trial case,
containing a complete set of spherical concave and convex, cylindrical concave and convex and other lenses, a "Universal Trial Frame" with rack adjustment for the eyepieces and sliding bar sides, a plain ophthalmoscope and a collection of other lenses, the plush-lined case -- 21½in. (54.6cm.) wide
containing a complete set of spherical concave and convex, cylindrical concave and convex and other lenses, a "Universal Trial Frame" with rack adjustment for the eyepieces and sliding bar sides, a plain ophthalmoscope and a collection of other lenses, the plush-lined case -- 21½in. (54.6cm.) wide