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

Ophthalmology

1880-1920

67 miscellaneous trial lenses, various patterns, E

Ophthalmology

1850-1930
8 sets of sight testing spectacles in horn holder, European, 1701-1801

8 sets of sight testing spectacles in horn holder,

Ophthalmology

1701-1801

Lens trier, consisting of five pairs of round doub

Optics

1805-1845

Five sets of sight testing spectacles in horn(?) h

Ophthalmology

1850-1914
Stenopaic slit, brass, 38mm diameter used for high astigmatism or irregular refraction

Stenopaic slit

Ophthalmology
Set of 7 paired trial lenses, hinged, medium single fold, horn frames, probably English, 1840-1870

Set of 7 paired trial lenses, hinged, medium singl

Ophthalmology

1840-1870
Pair of eye testing(?) lorgnettes in bakelite(?) frame, European, 1900-1930

Pair of eye testing(?) lorgnettes in bakelite(?) f

Ophthalmology

1900-1930
Pocket size trial case, leather case, with 73 lenses

Pocket size trial case, leather case, with 73 lens

Ophthalmology
Trial case, wooden, with 212 lenses plus accessories, 1844-1922

Trial case, wooden, with 212 lenses plus accessori

Ophthalmology

1844-1922
Trial case containing over 300 lenses and filters

Trial case containing over 300 lenses and filters

Ophthalmology
1 stenopaic slit

Stenopaic slit

Ophthalmology
Square brown leather covered case containing 82 lenses and a pair of trial frames, made in England(?), 1870-1920

Square brown leather covered case containing 82 le

Ophthalmology

1870-1920
Set of 6 steel framed trial spectacles hinged together inside steel covers, European, 1850-1920

Set of 6 steel framed trial spectacles hinged toge

Ophthalmology

1850-1920
Pair of eye testing(?), lorgnettes in horn(?) frame, Europe, 1900-1930

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

Ophthalmology

1900-1930
6 sets of sight testing spectacles in horn holder, European, 1850-1914

6 sets of sight testing spectacles in horn holder,

Ophthalmology

1850-1914
6 sets of testing spectacles in horn(?) frames, European, 1850-1914

6 sets of testing spectacles in horn(?) frames, Eu

Ophthalmology

1850-1914
Six sets of sight testing spectacles in horn(?) holder, European, 1850-1920

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

Ophthalmology

1850-1920
Eight sets of sight testing spectacles in bakelite (?), holder, European, 1850-1914

Eight sets of sight testing spectacles in bakelite

Ophthalmology

1850-1914
Three pairs of sight testing spectacles in horn(?) holder, Haynes Walton inscribed one side, European, 1850-1925

Three pairs of sight testing spectacles in horn(?)

Ophthalmology

1850-1925
2 green lenses, one darker than the other, English (?), 1891-1930, Bickerton collection

2 green lenses, one darker than the other, English

Ophthalmology

1891-1930
Set of trial lenses, twelve single lenses, horn frames, in spectacle-shaped horn casing, probably English, 1820-1900

Set of trial lenses, twelve single lenses, horn fr

Ophthalmology

1820-1900
Oval trial lens in nickel plated(?) rim with hooks, Bickerton collection, English(?), 1891-1940

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

Ophthalmology

1891-1940
Tinted trial lens mounted in plated ring with handle, English (?), Bickerton collection, 1891-1930

Tinted trial lens mounted in plated ring with hand

Ophthalmology

1891-1930
Green glass lens mounted in nickel-plated ring with handle inscribed Flenos, Bickerton collection, English (?), 1891-1930

Green glass lens mounted in nickel-plated ring wit

Ophthalmology

1891-1930
Set of 6 semi circular lenses in black leather covered case, made in England(?), 1880-1920

Set of 6 semi circular lenses in black leather cov

Ophthalmology

1880-1920
Set of trial lenses, three concave, three convex, circular lenses in horn frames, contained in horn casing, probably English, 1880-1930

Set of trial lenses, three concave, three convex,

Ophthalmology

1880-1930
Set of ttrial lenses, seven pairs of circular convex lenses, horn frames, housing, probably English, 1870-1930

Set of ttrial lenses, seven pairs of circular conv

Ophthalmology

1870-1930
Circular tinted lens, Bickerton collection, English(?), 1891-1930

Circular tinted lens, Bickerton collection, Englis

Ophthalmology

1891-1930
Set of trial lenses, eight pairs, concave lenses, in spectacle-shaped horn casing, probably English, 1870-1930

Set of trial lenses, eight pairs, concave lenses,

Ophthalmology

1870-1930
Pair of green tinted lenses in horn lorgnette frame, inscribed B, English (?), 1850-1920

Pair of green tinted lenses in horn lorgnette fram

Ophthalmology

1850-1920
Oval trial lens in nickel plated mount with metal clips top and bottom, Bickerton collection, English(?), 1891-1940

Oval trial lens in nickel plated mount with metal

Ophthalmology

1891-1940
Three light-blue trial lenses, Sir Wm. Crookes Ultimate Glass, English, 1891-1930, Bickerton collection

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

Ophthalmology

1891-1930
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, for 'cone muscular test', mad

Ophthalmology

1920-1930
Set of 19 pairs of trial lenses, in leather case, German manufacture, supplied by Chadburn and Son, Liverpool, 1880-1910

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

Ophthalmology

1880-1910
Two stenopaic slits, plastic, 38mm diameter, used for high astigmatism or irregular refraction

Stenopaic slits

Ophthalmology
Trial case in wooden case, with 91 trial lenses, possibly mid 19th century

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

Ophthalmology

1831-1870
6 sets of test lenses mounted in horn frame, English, 1900-1950

6 sets of test lenses mounted in horn frame, Engli

Ophthalmology

1900-1950
Light green glass lens mounted in nickel-plated ring with handle, inscribed Normalux, English (?), Bickerton collection, 1891-1930

Light green glass lens mounted in nickel-plated ri

Ophthalmology

1891-1930
Graduated semicircular metal trial frames, two-cell with 2 lenses, English (?), 1891-1910

Graduated semicircular metal trial frames, two-cel

Ophthalmology

1891-1910
6 sets of sight testing spectacles in horn and metal holder, English, 1850-1914

6 sets of sight testing spectacles in horn and met

Ophthalmology

1850-1914
2 oval lenses, one concave, one convex, European, 1850-1930

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

Ophthalmology

1850-1930
Six sets of eye testing spectacles, in holder, European, 1850-1900

Six sets of eye testing spectacles, in holder, Eur

Ophthalmology

1850-1900
Set of 6 trial spectacles hinged together inside horn covers, European, 1840-1914

Set of 6 trial spectacles hinged together inside h

Ophthalmology

1840-1914
8 sets of eye (sight) testing spectacles in horn holder, European, 1850-1920

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

Ophthalmology

1850-1920
Set of 12 single trial lenses in lorgnette handle, frames and handle of tortoiseshell (?), European, 1840-1920

Set of 12 single trial lenses in lorgnette handle,

Ophthalmology

1840-1920
6 sets of sight testing lenses, in tortoiseshell holder, each lens different colour, European, 1850-1914

6 sets of sight testing lenses, in tortoiseshell h

Ophthalmology

1850-1914
Set of trial spectacles in lognette frames, hinged together in single lorgnette handle, frames and handle of horn, European, 1850-1920

Set of trial spectacles in lognette frames, hinged

Ophthalmology

1850-1920
Miniature trial case, wooden, 120 trial lenses, trial frame, English

Miniature trial case, wooden, 120 trial lenses, tr

Ophthalmology
Trial case, mahogany, containing 173 trial lenses and accessories, by M. Pillischer, 88 New Bond Street, London, England.

Trial case, mahogany, containing 173 trial lenses

Ophthalmology