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Priestley Smith fusion tubes
ORTHOPTIC INSTRUMENTS
fusion test
Bailey, R.
Europe: United Kingdom, England
c.1898
metal; glass
tube: 60 mm x 31 mm

Binocular testing instrument consisting of two black metal tubes chained together, each tube with a biconvex eyepiece lens and coloured filter. Together with an original red leather-covered cardboard box with separate lid.


2016.990

Transferred from the former Museum and Library of Optometry, Aston University / Gift of the family of the late Anthony G. Sabell FCOptom, 2016



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