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Binocular vision test
ORTHOPTIC INSTRUMENTS
binocular vision test
Mid 20th c.
metal; brass; glass
overall: 32 mm x 115 mm x 81 mm
2016.987
ORTHOPTIC INSTRUMENTS
binocular vision test
Mid 20th c.
metal; brass; glass
overall: 32 mm x 115 mm x 81 mm
Binocular vision test comprising two cylindrical brass tubes, tapered at objective end, one containing a red dot, the other a green dot, variable as to angle. Mounted within an opera glass-type framework
2016.987
Transferred from the former Museum and Library of Optometry, Aston University / Gift of the family of the late Anthony G. Sabell FCOptom, 2016