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fused bifocal lens & envelope
Mid 20th c.
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fused bifocal lens (old type) & envelope
Mid 20th c.
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Fused blank lens & envelope
Mid 20th c.
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Fused lenticular S.V. cataract lens
20th c.
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Fused lenticular S.V. cataract lens
20th c.
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Gentex Polycarbonate lens
20th c.
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Glass cube
Late 20th c.
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glass low vision lens
Theodore Hamblin Ltd
Mid 20th c.
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Glass telescopic units
c.1960
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Green tinted lens & envelope
Mid 20th c.
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half eye lens & envelope
Mid 20th c.
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Hamblin DistanceTelescopic Trial Set
Theodore Hamblin Ltd
c.1928
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Hard Coated Hard Resin Lens
Anglo Italian Optical Limited
March 1999
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Hard Coated Hard Resin Lens and envelope
Anglo Italian Optical Limited
Late 20th c.
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Hard Resin Lens
Anglo Italian Optical Limited
Late 20th c.
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Harry Potter Magic Lens
Essilor
2001
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Hi-Quartz and Multicoated Demonstration lenses
Hoya Lens UK Ltd
1980s?
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High-Index aspheric lens
Mixom (maker)
20th c.
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High-Index aspheric resin lens
Mixom (maker)
20th c.
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Hoya 'Alpha' D28 bifocal lens
20th c.
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Hoya 'Hi-Lux Excellence' lens
Hoya
20th c.
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Hoya HL-11 HG S.V. lens
Hoya
20th c.
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Hoya LH1 S.V. lens
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Hoya LH1-11 S.V. lens
20th c.
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Hoya Mirror lens demonstration kit
Hoya Lens UK Ltd
2010s
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Hoya PNX Demonstration lenses
Hoya Lens UK Ltd
c.2010s
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Hoya Retinex Demonstrator
Hoya Lens UK Ltd
Late 20th c.
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Hoya Super-CT28 fused bifocal lens
20th c.
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Hoya TH1 S.V. lens
20th c.
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Hoya TH1-11 S.V. lens
20th c.
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Hyperaspheric bifocal lens
Late 1970s/early 1980s
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Igard lenticular lens
Combined Optical Industries Ltd
Mid 20th c.
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II Bio 60D - Double Aspheric Bio Lens
Volk
Late 20th c.
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Impact Testing Demonstration lens
Raphael's Ltd
1979
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Invisible solid concentric double bifocal lens
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Invisible solid concentric step down bifocal lens
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Invisible solid downcurve bifocal lens
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Invisible-segment fused bifocal lens
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Kollmorgen telescopic trial set
Kollmorgen Optical Corporation
1952
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Kollmorgen telescopic units
Kollmorgen Optical Corporation
1952
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Kryptok Patent Bifocal
Early-mid 20th c.
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L.V.A. 10 C series low vision auxiliary lens unit
Keeler
Mid 20th c.
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L.V.A. 10 C series low vision auxiliary lens unit
Keeler
Mid 20th c.
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L.V.A. 9 non-illuminated low vision lens
Keeler
Mid-late 20th c.
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L.V.A. bifocal lens
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L.V.A. bifocal lens
Sola Pilkington
c.1979-1993
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L2CT28 fused bifocal lens
Hoya Lens UK Ltd
20th c.
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large magnifying lens
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Lederer microscopes
c.1953-1954
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Lederer-type microscopes (Stigmagna lenses)
Stigmat Ltd
Late 1950s
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lens
Axcy
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lens
20th c.
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lens
Guilbert-Routit & Cie
20th c.
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lens
20th c.
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lens
20th c.
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lens
20th c.
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lens
20th c.
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lens & envelope
American Optical Company
Late 20th c.
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lens & envelope
American Optical Company
Late 20th c.
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lens & envelope
United Kingdom Optical Company Ltd
Late 20th c.
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lens & lens envelope
Nortic Optical Co Ltd
Mid 20th c.
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lens attachment set
Carl Zeiss (Jena); Dunscombe & Partners
1930s?
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lens attachment set
Carl Zeiss (Jena)
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lens baton no. 100 "Greenish and Reddish"
Mirsche? & Swither
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lens baton no. 101 "Purple Smokes"
Pilkington; Crookes, William; M. Wiseman & Company Ltd
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lens baton no. 103 "Greenish Smokes"
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lens baton no. 105 "Reddish-Brown Smokes"
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lens baton no. 107 "Neutral Grey Smokes"
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lens baton no. 108 "Neutral Grey Smokes"
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lens baton no. 109 "Slightly-smoked brown-green"
Hallauer
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lens baton no. 111 "Brownish Green"
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lens baton no. 112 "Chlorophylls or Fieuzal etc."
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lens baton no. 113 "Euphos"
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lens baton no. 115 "Amber-Greens"
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lens baton no. 116 "Hygett"
Hygett
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lens baton no. 117 "Grass-Greens"
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lens baton no. 118 "Grass-Greens"
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lens baton no. 120 "Emerald Greens"
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lens baton no. 121 "Lemon-Ambers"
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lens baton no. 124 "Brownish Ambers"
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lens baton no. 125 "Brownish Ambers"
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lens baton no. 127 "Brownish Ambers"
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lens baton no. 129 "Signal Peacock Green (Spectrum Green)"
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lens baton no. 131.
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lens baton no. 132 "Blue"
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lens baton no. 133 "Amethyst"
Crookes
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lens baton no. 135 "Crookes Experimental"
Crookes
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lens baton no. 137 "Crookes"
Crookes
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Lens envelope
J. L. Bruce Ltd
Early-mid 20th c.
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lens pattern card
mid-late 20th c.
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