Set of 12 trial lenses and a pair of trial frames, Europe, 1880-1920

Ophthalmology

1880-1920

Pocket size trial case, leather case, with 73 lens

Ophthalmology

Trial case containing over 300 lenses and filters

Ophthalmology

Set of 6 steel framed trial spectacles hinged toge

Ophthalmology

1850-1920

Pair of eye testing(?), lorgnettes in horn(?) fram

Ophthalmology

1900-1930

6 sets of sight testing spectacles in horn holder

Ophthalmology

1850-1914

6 sets of testing spectacles in horn(?) frames

Ophthalmology

1850-1914

Six sets of sight testing spectacles in horn(?) ho

Ophthalmology

1850-1920

Eight sets of sight testing spectacles in bakelite

Ophthalmology

1850-1914

Three pairs of sight testing spectacles in horn(?)

Ophthalmology

1850-1925

Set of 19 pairs of trial lenses, in leather case,

Ophthalmology

1880-1910

Three light-blue trial lenses, Sir Wm. Crookes Ult

Ophthalmology

1891-1930

Square brown leather covered case containing 82 le

Ophthalmology

1870-1920

2 green lenses, one darker than the other, English

Ophthalmology

1891-1930

Set of trial lenses, twelve single lenses, horn fr

Ophthalmology

1820-1900

Oval trial lens in nickel plated(?) rim with hooks

Ophthalmology

1891-1940

Tinted trial lens mounted in plated ring with hand

Ophthalmology

1891-1930

Green glass lens mounted in nickel-plated ring wit

Ophthalmology

1891-1930

Set of 6 semi circular lenses in black leather cov

Ophthalmology

1880-1920

Set of trial lenses, three concave, three convex,

Ophthalmology

1880-1930

Set of ttrial lenses, seven pairs of circular conv

Ophthalmology

1870-1930

Circular tinted lens, Bickerton collection, Englis

Ophthalmology

1891-1930

Set of trial lenses, eight pairs, concave lenses,

Ophthalmology

1870-1930

Pair of green tinted lenses in horn lorgnette fram

Ophthalmology

1850-1920

Oval trial lens in nickel plated mount with metal

Ophthalmology

1891-1940

Trial case in wooden case, with 91 trial lenses, p

Ophthalmology

1831-1870

2 oval lenses, one concave, one convex, European,

Ophthalmology

1850-1930

Six sets of eye testing spectacles, in holder, Eur

Ophthalmology

1850-1900

Set of 6 trial spectacles hinged together inside h

Ophthalmology

1840-1914

8 sets of eye (sight) testing spectacles in horn holder

Ophthalmology

1850-1920

Set of 12 single trial lenses in lorgnette handle,

Ophthalmology

1840-1920

6 sets of sight testing lenses, in tortoiseshell h

Ophthalmology

1850-1914

Set of trial spectacles in lognette frames, hinged

Ophthalmology

1850-1920

Case of trial lenses, card, with accessories, by R

Ophthalmology

1880-1920

Miniature trial case, wooden, 120 trial lenses, tr

Ophthalmology

Trial case, wooden, containing 72 trial lenses and

Ophthalmology

1901-1970

Rectangular leather covered case containing 25 len

Ophthalmology

1901-1930

Trial case, mahogany, containing 173 trial lenses

Ophthalmology

Set of 30 pairs of trial lenses, in mahogany case,

Ophthalmology

1890-1914

6 sets of test lenses mounted in horn frame, Engli

Ophthalmology

1900-1950

Graduated semicircular metal trial frames, two-cel

Ophthalmology

1891-1910

6 sets of sight testing spectacles in horn and metal holder

Ophthalmology

1850-1914

Set of 42 pairs of trial lenses, in folding leathe

Ophthalmology

1880-1910

Set of 7 paired trial lenses, hinged, medium singl

Ophthalmology

1840-1870

Light green glass lens mounted in nickel-plated ri

Ophthalmology

1891-1930

Trial case, wooden, with 144 lenses

Ophthalmology

Rectangular polished mahogany case containing 5 tr

Ophthalmology

1880-1930

Seven sets of sight testing spectacles in horn (?)

Ophthalmology

1850-1914

Eight pairs of sight testing spectacle in horn (?)

Ophthalmology

1850-1914

Three sets of sight testing spectacles, in horn(?)

Ophthalmology

1850-1920