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Cemented bifocal lens: 'Jump-Free' crescent segment
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Cemented bifocal lens: 'Wafer' segment
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Cemented bifocal lens: Crescent segment
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Cemented bifocal lens: Prismatic segment
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Cemented bifocal lens: Straight-top segment
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Cemented lenticular S.V. lens - flat-form
20th c.
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Cemented stepped lenticular S.V. lens
20th c.
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Chance's Arc Screen 'Protex' glass samples
Chance Brothers Limited
Early 20th c.
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Chance's Crookes Lens Flat A Shade
Thomas Styring & Son Ltd
Early-Mid 20th c.
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Charles Hymans' upcurve solid bifocal lenses
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Clarlet Comfort ET
Zeiss
1970s?
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Clarlet Farbbezeichnungen
Zeiss
1990s?
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Clarlet lens demonstration set
Zeiss
1980s?
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Clarlet Transitions Demonstrator
Zeiss
1990s
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Clip-on low Vision Monocular
Mid-Late 20th c.
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Coburn Fused 63mm White Multifocal Lens
Coburn Optical Ind., Inc.
January 1983
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Collection of early AR Coatings
Cambridge Optical Group; Transitions Optical Inc.; Balzers High Vacuum Ltd
1970s-1980s
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Colormatic 2 demonstration lens
Rodenstock
Late 1980s
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Comparison of glass and plastic microscopic LVA lenses
1950s?
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Corrective Sunwear Lenses for Sport
Essilor
Early 2010s
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Crookes A2 tinted lens & envelope
Mid 20th c.
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Crookes Alpha tinted lens & envelope
Mid 20th c.
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Crookes B1 tinted lens & envelope
Mid 20th c.
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Crookes B1 tinted prismatic toric lens & envelope
Mid 20th c.
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Crookes B2 Equitint tinted lens & envelope
Mid 20th c.
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Crookes B2 tinted lens & envelope
Mid 20th c.
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Crookes Flat Lens A Shade
Thomas Styring & Son Ltd
Early-Mid 20th c.
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Crookes Glass - tinted trial lens samples
Chance Brothers Limited
Mid 20th c.
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Crookes Glass - tinted trial lens samples
Chance Brothers Limited
Mid 20th c.
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Crookes Lens A Shade
Thomas Styring & Son Ltd
Early-Mid 20th c.
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Crookes Periscopic Lens (envelope only)
British Machine Chain Ltd
Early-Mid 20th c.
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CS Photochromic lens
Essilor
20th c.
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Dark 'Rosal' tinted lens
Mid-Late 20th c.
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Dark green tinted lens
Mid-Late 20th c.
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Dark smoke tinted lens
Mid-Late 20th c.
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Decentred sun lens for Gucci frame GG 2653/S
Safilo
Late 20th c.
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Deep Minus
Mid 20th c.
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Deep Plus Post Cataract
Mid 20th c.
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Demonstration lens
Hoya
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Demonstration set of Quazar Anti-Reflection (AR) Coatings
Balzers High Vacuum Ltd
Late 1980s
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demonstration solid bifocal lens
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Dense Barium Crown lens
20th c.
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Diagnostic and Therapeutic Ophthalmoscopic Lens Set: Digital 1.0X Imaging Lens / Digital Wide Field Lens
Volk Optical Inc
c.2006
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dispensing aid stickers
Pell Optical Co
1970-1979
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display booklet of 'Soft-Lite' lenses
Soft-Lite Lens Company; Bausch & Lomb
20th c.
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Display of Norlite Lens Forms
Norville Optical Company Limited
1980s?
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Double 'Univis' ('Academy') fused trifocal lens
United Kingdom Optical Company Ltd
20th c.
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Double 'Univis' ('Academy') fused trifocal lens
United Kingdom Optical Company Ltd
20th c.
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Double circular segment fused trifocal lens
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Double upcurve trifocal lens
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Duralet spectacle lens
Zeiss (Oberkochen)
c.1971
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Duralet spectacle lens
Zeiss (Oberkochen)
c.1971
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E4600 upcurve semi-finished blank
Birch-Stigmat Group Ltd
Late 20th c.
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Early 'Kryptok' fused bifocal lens
Kryptok Ltd
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Early 'Kryptok' fused bifocal lens
Kryptok Ltd; C. W. Dixey & Son Ltd
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Early fused bifocal lens
Zeiss
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example of cut lens - margin intact
Mid 20th c.
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Example of lens edging
Mid 20th c.
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Executive bifocal lens & envelope
Mid 20th c.
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Executive trifocal lens
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Executive-type trifocal lens
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Feinbloom all-plastics aspherical telescopes
Designs for Vision Inc.
1980-1985
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Feinbloom Bifocal glass telescope
1958
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Feinbloom glass telescopic lenses
c.1980
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Feinbloom Keplerian telescopes for standard trial frame
1990
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Feinbloom microscopic unit trial set
1958
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Feinbloom Mirrorscope
1956
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Feinbloom Trifocal units
1958
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Feinbloom wide angle reduced aperture distance telescope
Designs for Vision Inc.
Late 1970s
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Fernrohrbrille Aufsteckglas lens
Zeiss
Mid-late 20th c.
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Fernrohrbrille Aufsteckglas lenses
Zeiss
Mid-late 20th c.
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Flat lens & envelope
Mid 20th c.
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Flattened lenticular S.V. lens
20th c.
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Flattened lenticular S.V. lens with hand-edged aperture
20th c.
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Flattened lenticular S.V. lens with optically-worked convex margin
20th c.
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Formmuster Punktal-Halbentspiegel
Zeiss
Mid 20th c.
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Fresnel lens
Mid-late 20th c.
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Fresnel lens
Mid-late 20th c.
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Fresnel lens
Mid-late 20th c.
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Fresnel lens
G. Nissel & Company Ltd
Mid-late 20th c.
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frosted lens / occluder
20th c.
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Full field near vision telescopic unit (L.V.A. 22)
Keeler
c.1970
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Fused Bifocal - Part Finished
Mid 20th c.
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Fused Bifocal - Polished
Mid 20th c.
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Fused Bifocal - Rough Blank
Mid 20th c.
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Fused Bifocal - Roughed
Mid 20th c.
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fused bifocal lens
1950s?
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