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p.d. gauge
OPTOMETRIC INSTRUMENTS
pupillometer
Europe: United Kingdom
Early-mid 20th c.
metal; glass; wood
lens: 36 mm; overall: 47 mm x 200 mm x 10 mm
2017.136
OPTOMETRIC INSTRUMENTS
pupillometer
Europe: United Kingdom
Early-mid 20th c.
metal; glass; wood
lens: 36 mm; overall: 47 mm x 200 mm x 10 mm
Pupillary distance gauge (adjustable for p.d. 40mm-80mm). Two round lenses with centrally marked crosses. Metal bar set into black painted wooden handle with metal collar.
2017.136
Transferred from the former Museum and Library of Optometry, Aston University / Gift of the family of the late Anthony G. Sabell FCOptom, 2016