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'Opticaid' adjustable binocular telescopic unit
Edroy Prods. Co. Inc.
c.1973
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All-plastic aspherical Bier-Fleming telescopic distance unit
J. & R. Fleming Ltd
1953
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All-plastic aspherical Bier-Hamblin telescopic distance unit
Theodore Hamblin Ltd
c.1970
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Aspheric Microscopic Compound Spectacle Magnifier Set
A.C. Lane & Company
1970s?
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Auxiliary lens unit / telescopic unit
Mid-late 20th c.
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Auxiliary lens unit / telescopic unit
Keeler
c.1965
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Auxiliary lens unit / telescopic unit
1970s?
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Auxiliary lens unit / telescopic unit / miniature distance telescope
c.1965
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Auxiliary lens unit / telescopic unit / miniature distance telescope
c.1960
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Auxiliary LV telescope lenses
Hamblin Ltd
1960s?
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Barrett Low Vision Monocular
Pre 1980
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Barrett Low Vision Monocular
1950s
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Bier all-glass telescopic lenses with near vision caps
1952
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Bier-Fleming all-plastics near vision telescopic distance unit
Theodore Hamblin Ltd
1953
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Bier-Hamblin aspherical plastics microscopic units
Hamblin
Mid 20th c.
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Bier-Hamblin bifocal microscopic units
Hamblin
1960
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Bier-Hamblin half-eye microscopic units
Hamblin
1970
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Bier-Hamblin near vision caps for telescopic lenses
c.1960
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Bier-Hamblin reduced aperture microscopic units
c.1960
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Bier-Hamblin trifocal microscopic units
Hamblin
1970
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binocular telescopic unit with bar-type attachment
c.1965
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Birch-Stigmat low vision auxiliary lens unit / telescopic unit
Rayner
mid 20th c.
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Clip-on low Vision Monocular
Mid-Late 20th c.
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Comparison of glass and plastic microscopic LVA lenses
1950s?
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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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Full field near vision telescopic unit (L.V.A. 22)
Keeler
c.1970
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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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Hamblin DistanceTelescopic Trial Set
Theodore Hamblin Ltd
c.1928
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Kollmorgen telescopic units
Kollmorgen Optical Corporation
1952
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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
Sola Pilkington
c.1979-1993
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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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Low vision auxiliary lens unit
Carl Zeiss (Jena)
20th c.
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Low vision auxiliary lens unit
Carl Zeiss (Jena)
20th c.
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Low vision auxiliary lens unit
Carl Zeiss (Jena)
20th c.
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Low vision auxiliary lens unit
20th c.
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Low vision auxiliary lens unit
20th c.
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Low vision auxiliary lens unit
20th c.
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Low vision auxiliary lens unit
20th c.
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Low vision auxiliary lens unit
Carl Zeiss (Jena)
Early-Mid 20th c.
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microscopes (hyperoculars)
Combined Optical Industries Ltd
c.1956
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miniature distance telescopes fitted binocularly with bar attachment
c.1960
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monocular reading telescope for mounting in a spectacle rim
Theodore Hamblin Ltd
Mid 20th c.
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Near vision caps
Mid 20th c.
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NEICO Clip-on reading magnifier
National E. I. Co. Inc.
1936
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Set of monocular reading telescopes for mounting in a spectacle rim
Theodore Hamblin Ltd
Mid 20th c.
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Set of Stigmagna lenses with trial frame
G. C. Bateman Ltd; Stigmat Ltd
1977-10-14
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Sloan microscopic units
c.1960
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spectacle-mounted binocular loupe / spectacle magnifier
American Optical Company
c.1940
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Stigmat low vision auxiliary lens unit / telescopic unit
Stigmat Ltd
1950s
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Wittig binocular loupe
Bausch & Lomb
c.1940
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