Image
Category
Collection
Maker
Object type
Place
Material
Date
Bi-focal spectacle lens

Bi-focal spectacle lens

1900

Round 'Kryptok' fused slab and segment

Round 'Kryptok' fused slab and segment

Oval white 'Kryptok' fused bi-focal spectacle lens with ground edges

Oval white 'Kryptok' fused bi-focal spectacle lens with ground edges

1904

Oval pink meniscus convex spectacle lens

Oval pink meniscus convex spectacle lens

Oval white convex bi-focal spectacle lens, 1845.

Oval white convex bi-focal spectacle lens, 1845.

1845

Oval amber double concave spectacle lens

Oval amber double concave spectacle lens

Oval smoke meniscus convex spectacle lens

Oval smoke meniscus convex spectacle lens

Oval blue meniscus concave spectacle lens

Oval blue meniscus concave spectacle lens

Oval white 'new system' deep plano-concave lens.

Oval white 'new system' deep plano-concave lens.

Plano-concave cylinder 'chlorophylle' tint

Plano-concave cylinder 'chlorophylle' tint

'Strubin' cemented bi-focal spectacle lens

'Strubin' cemented bi-focal spectacle lens

1891

Oval smoke or neutral tint bent glass spectacle lens

Oval smoke or neutral tint bent glass spectacle lens

Oval blue bent glass spectacle lens, medium tint.

Oval blue bent glass spectacle lens, medium tint.

Three spectacle lenses.

Three spectacle lenses.

1900-1930

Oval smoke or neutral tint

Oval smoke or neutral tint

Oval white concave spectacle lens with a grooved edge

Oval white concave spectacle lens with a grooved edge

Square 'Kryptok' fused slab and segment

Square 'Kryptok' fused slab and segment

Oval blue bent glass spectacle lens, pale tint.

Oval blue bent glass spectacle lens, pale tint.

Oval blue bent glass spectacle lens, dark tint.

Oval blue bent glass spectacle lens, dark tint.

Oval white double convex spectacle lens

Oval white double convex spectacle lens

Round white 'Kryptok' tonc bi-focal spectacle lens

Round white 'Kryptok' tonc bi-focal spectacle lens

Oval smoke or neutral tint bent glass spectacle lens

Oval smoke or neutral tint bent glass spectacle lens

Oval smoke double concave spectacle lens

Oval smoke double concave spectacle lens

Oval blue double concave spectacle lens

Oval blue double concave spectacle lens

Tinted spectacle lenses

Tinted spectacle lenses

1851-1920

Lens, clear glass

Lens, clear glass

1890-1940

Oval 'Chlorophylle' parallel glass

Oval 'Chlorophylle' parallel glass

Round white 'Kryptok' tonc bi-focal spectacle lens

Round white 'Kryptok' tonc bi-focal spectacle lens

Oval smoke or neutral tint bent glass spectacle lens

Oval smoke or neutral tint bent glass spectacle lens

Round white 'lenticular' concave spectacle lens

Round white 'lenticular' concave spectacle lens

Round white deep meniscus concave spectacle lens

Round white deep meniscus concave spectacle lens

Oval white double concave spectacle lens

Oval white double concave spectacle lens

Blue plano-cylinder concave spectacle lens

Blue plano-cylinder concave spectacle lens

Two bifocal spectacle lenses

Two bifocal spectacle lenses

1870-1930

Lens, oval shaped

Lens, oval shaped

1890-1940

Optical Trial Case

Optical Trial Case

1911

Oval smoke meniscus concave spectacle lens

Oval smoke meniscus concave spectacle lens

White plano-concave spectacle lens

White plano-concave spectacle lens

1905-1915

Smoke or neutral tint glass for preserver spectacles

Smoke or neutral tint glass for preserver spectacles

Oval white deep double concave spectacle lens

Oval white deep double concave spectacle lens

Bi-focal spectacle lens

Bi-focal spectacle lens

1899

Round blue deep double concave spectacle lens with ground edges

Round blue deep double concave spectacle lens with ground edges

Oval white meniscus convex spectacle lens

Oval white meniscus convex spectacle lens

Two bifocal spectacles lenses

Two bifocal spectacles lenses

1901-1930

Oval white bent glass for protectors spectacles.

Oval white bent glass for protectors spectacles.

Oval 'Chlorophylle' bent glass spectacle lens

Oval 'Chlorophylle' bent glass spectacle lens

Round blue double convex spectacle lens

Round blue double convex spectacle lens

Square 'Kryptok' fused slab and segment

Square 'Kryptok' fused slab and segment

Square 'Kryptok' fused slab and segment

Square 'Kryptok' fused slab and segment

Oval white meniscus concave pebble spectacle lens

Oval white meniscus concave pebble spectacle lens