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Achland's Optometer Early 20th c. View |
Badal type optometer View |
Compound Refractometer / optometer / astigmatism test Douglas & Wooldridge Ltd (Stourbridge) 1890s View |
Davidson Double Optometer F. Davidson & Co. Late 19th c. View |
F.B.A.'s optometer Mid 19th c. View |
F.B.A.'s Optometer / Hand optometer 19th c. View |
Fincham Coincidence Optometer Taylor Taylor & Hobson Ltd for Clement Clarke & Co Ltd 1930s View |
Fournet's Refractometer Frankham c.1883 View |
Hand-Optometer nach Prof. Dr. Dr. Schober Optische Werke G. Rodenstock; The Merchant Princes Company Ltd c.1961 View |
Landolt's Ophthalmo-Dynamometer with Thread Optometer c.1900 View |
Mini-optometer (prototype) Hooke, W. I. 1996 View |
near point rule Keeler 1960s? View |
objective optometer Rodenstock c.1952? View |
optometer View |
optometer accessory Carl Zeiss (Jena) 20th c. View |
Reading Optometer (Badal pattern) F.A. Hardy & Co c.1902 View |
Rodenstock Eye-Refractometer G. Rodenstock Instrumente GmbH; London Optical Company Ltd Post 1960 View |
Schmidt-Rimpler Refractometer (part) Holzhauer 1877-1888 View |
Self-Test Optometer C. G. Optical Co. Early 20th c. View |
simple optometer c.1887 View |
simple optometer View |
simple optometer View |
simple optometer Post 1887 View |
simple optometer Early-Mid 20th c. View |
simple optometer S. J. Lazarus & Co. Late 19th c. View |
simple optometer c.1900 View |
simple optometer with variable eyepiece View |
Smee's optometer Hughes, H. Early 20th c. View |
Von Graefe reading optometer c.1870 View |
Von Graefe Thread Optometer Post 1855 View |