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6 sets of sight testing spectacles in horn holder

1850-1914

7 sets of test lenses

1850-1914

6 sets of sight testing spectacles in bakelite(?)

1850-1920

10 sets of sight testing lenses in bakelite(?) hol

1850-1914

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

1850-1920

Three light-blue trial lenses

1891-1930

Trial lens

1870-1930

6 sets of sight testing lenses

1850-1914

Set of 6 trial spectacles hinged together inside horn covers

1840-1914

2 oval lenses

1850-1930

Set of trial lenses

1880-1930

6 sets of test lenses mounted in horn frame

1900-1950

Tinted trial lens mounted in plated ring with handle

1891-1930

67 miscellaneous trial lenses

1850-1930

Black painted brass trial lenses with central stenopaic slit

1890-1940

2 green lenses

1891-1930

Green glass lens mounted in nickel-plated ring with handle inscribed Flenos

1891-1930

Green glass lens mounted in nickel-plated ring with handle inscribed Flenos

1891-1930

Oval trial lens in nickel plated mount with metal clips top and bottom

1891-1940

Oval yellow-tinted trial lens

1891-1930

Oval trial lens

1891-1940

Smoked square lens labelled "Crookes smoked"

1891-1930

Slightly tinted square lens labelled "Crookes Plane"

1891-1930

Tinted trial lens in brass ring mount with handle

1891-1940

Trial lens mounted in brass ring with handle

1891-1940

2 plane trial lenses

1880-1940

Three clear glasses convex trial lenses

1880-1940

Light green glass lens mounted in nickel-plated ring with handle

1891-1930

Trial case containing over 300 lenses and filters

Set of trial pince nez

1880-1920

Rectangular polished mahogany case containing 5 trays with 30 pairs of spectacles with trial lenses

1880-1930

Set of trial lenses

1890-1940

Circular lens containing red glass rods

1920-1940

19 circular trial lenses inside square wooden case

1880-1930

Set of trial lenses in case, by A. Hawkes, English

Set of trial lenses

1910-1940

Set of 30 pairs of trial lenses

1890-1914

Set of trial spectacles in lorgnette frames

1850-1920
8 sets of sight testing spectacles in horn holder, European, 1701-1801

8 sets of sight testing spectacles in horn holder

1701-1801
Trial case, wooden, containing 192 lenses and accessories

Trial case

14 trial lenses, single, round clear glass, steel wire frames, English, 1801-1920

14 trial lenses

1801-1920
3 trial lenses, round, clear glass, two horn frames, one tortoiseshell, English, 1840-1920

3 trial lenses

1840-1920
2 blue lenses, with double thickness discs attached, one lens mounted in silver plated ring with handle, English (?), Bickerton collection, 1891-1930

2 blue lenses

1891-1930
Trial case containing lenses, frames, a Morton ophthalmoscope with leaflet and 2 Geneva lens measures, leather covered, British, early 20th century

Trial case containing lenses

1901-1930
2 trial lenses, round, clear glass, gilt metal ring handle, English, 1850-1920

2 trial lenses

1850-1920
Case of trial lenses, with frames etc, by Mann and by Savory and Moore, 143 New Bond Street, London, England, 1870-1901.

Case of trial lenses

1870-1901
3 trial lenses, steel frames, English, 1820-1880

3 trial lenses, steel frames, English, 1820-1880

1820-1880
Circular trial lens, for 'cone muscular test', made by Down Bros Limited, 21-23 St. Thomas's Street, London, England, 1920-1930.

Circular trial lens

1920-1930
74 single circular trial lenses, English, 1790-1920

74 single circular trial lenses

1790-1920
Set of trial lenses in case, by Carpenter and Westley, 24 Regent Street, London, England.

Set of trial lenses in case