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p.d. gauge
OPTOMETRIC INSTRUMENTS
pupillometer
Mid 20th c.
metal; plastic
overall: 197 mm

Pupillary distance gauge (adjustable for p.d. 50mm-70mm). Two round lenses with centrally marked crosses. Metal bar set into brown bakelite handle.


2004.610

Gift of A. H. Rivron & Son Ltd, 2004



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