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Compound Refractometer / optometer / astigmatism test
OPTOMETRIC INSTRUMENTS
refractometer; optometer
Douglas & Wooldridge Ltd (Stourbridge)
Europe: United Kingdom, England, Staffordshire, Stourbridge
1890s
metal
1999.3027
OPTOMETRIC INSTRUMENTS
refractometer; optometer
Douglas & Wooldridge Ltd (Stourbridge)
Europe: United Kingdom, England, Staffordshire, Stourbridge
1890s
metal
Circular instrument with cylindrical lens guide containing a slide rack of ten lenses. On the other side is a spherical lens guide (empty) and a semi-circular protractor scale surrounding. Also a fold-out optometer arm with sliding target card holder. Stand missing.
1999.3027