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'Opticaid' adjustable binocular telescopic unit Edroy Prods. Co. Inc. c.1973 View |
All-plastic aspherical Bier-Fleming telescopic distance unit J. & R. Fleming Ltd 1953 View |
All-plastic aspherical Bier-Hamblin telescopic distance unit Theodore Hamblin Ltd c.1970 View |
Aspheric Microscopic Compound Spectacle Magnifier Set A.C. Lane & Company 1970s? View |
Auxiliary lens unit / telescopic unit Mid-late 20th c. View |
Auxiliary lens unit / telescopic unit Keeler c.1965 View |
Auxiliary lens unit / telescopic unit 1970s? View |
Auxiliary lens unit / telescopic unit / miniature distance telescope c.1965 View |
Auxiliary lens unit / telescopic unit / miniature distance telescope c.1960 View |
Auxiliary LV telescope lenses Hamblin Ltd 1960s? View |
Barrett Low Vision Monocular Pre 1980 View |
Barrett Low Vision Monocular 1950s View |
Bier all-glass telescopic lenses with near vision caps 1952 View |
Bier-Fleming all-plastics near vision telescopic distance unit Theodore Hamblin Ltd 1953 View |
Bier-Hamblin aspherical plastics microscopic units Hamblin Mid 20th c. View |
Bier-Hamblin bifocal microscopic units Hamblin 1960 View |
Bier-Hamblin half-eye microscopic units Hamblin 1970 View |
Bier-Hamblin near vision caps for telescopic lenses c.1960 View |
Bier-Hamblin reduced aperture microscopic units c.1960 View |
Bier-Hamblin trifocal microscopic units Hamblin 1970 View |
binocular telescopic unit with bar-type attachment c.1965 View |
Birch-Stigmat low vision auxiliary lens unit / telescopic unit Rayner mid 20th c. View |
Clip-on low Vision Monocular Mid-Late 20th c. View |
Comparison of glass and plastic microscopic LVA lenses 1950s? View |
Feinbloom all-plastics aspherical telescopes Designs for Vision Inc. 1980-1985 View |
Feinbloom Bifocal glass telescope 1958 View |
Feinbloom glass telescopic lenses c.1980 View |
Feinbloom Keplerian telescopes for standard trial frame 1990 View |
Feinbloom microscopic unit trial set 1958 View |
Feinbloom Mirrorscope 1956 View |
Feinbloom Trifocal units 1958 View |
Feinbloom wide angle reduced aperture distance telescope Designs for Vision Inc. Late 1970s View |
Full field near vision telescopic unit (L.V.A. 22) Keeler c.1970 View |
glass low vision lens Theodore Hamblin Ltd Mid 20th c. View |
Glass telescopic units c.1960 View |
Hamblin DistanceTelescopic Trial Set Theodore Hamblin Ltd c.1928 View |
Kollmorgen telescopic units Kollmorgen Optical Corporation 1952 View |
L.V.A. 10 C series low vision auxiliary lens unit Keeler Mid 20th c. View |
L.V.A. 10 C series low vision auxiliary lens unit Keeler Mid 20th c. View |
L.V.A. 9 non-illuminated low vision lens Keeler Mid-late 20th c. View |
Sola Pilkington c.1979-1993 View |
Lederer microscopes c.1953-1954 View |
Lederer-type microscopes (Stigmagna lenses) Stigmat Ltd Late 1950s View |
Low vision auxiliary lens unit Carl Zeiss (Jena) 20th c. View |
Low vision auxiliary lens unit Carl Zeiss (Jena) 20th c. View |
Low vision auxiliary lens unit Carl Zeiss (Jena) 20th c. View |
Low vision auxiliary lens unit 20th c. View |
Low vision auxiliary lens unit 20th c. View |
Low vision auxiliary lens unit 20th c. View |
Low vision auxiliary lens unit 20th c. View |
Low vision auxiliary lens unit Carl Zeiss (Jena) Early-Mid 20th c. View |
microscopes (hyperoculars) Combined Optical Industries Ltd c.1956 View |
miniature distance telescopes fitted binocularly with bar attachment c.1960 View |
monocular reading telescope for mounting in a spectacle rim Theodore Hamblin Ltd Mid 20th c. View |
Near vision caps Mid 20th c. View |
NEICO Clip-on reading magnifier National E. I. Co. Inc. 1936 View |
Set of monocular reading telescopes for mounting in a spectacle rim Theodore Hamblin Ltd Mid 20th c. View |
Set of Stigmagna lenses with trial frame G. C. Bateman Ltd; Stigmat Ltd 1977-10-14 View |
Sloan microscopic units c.1960 View |
spectacle-mounted binocular loupe / spectacle magnifier American Optical Company c.1940 View |
Stigmat low vision auxiliary lens unit / telescopic unit Stigmat Ltd 1950s View |
Wittig binocular loupe Bausch & Lomb c.1940 View |