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Giles Three Needle Test (modified?)
ORTHOPTIC INSTRUMENTS
diagnostic test
Europe: United Kingdom
Mid 20th c.
metal
overall: 230 mm x 475 mm x 179 mm

Diagnostic test comprising horizontal square-sectioned bar with handle, binocular slitted eyepiece, horizontal 'mask' (letter-box type), one inner needle on a sliding arm and two outer needles mounted to a separate sliding arm.


2012.342

Gift of Glasgow Caledonian University, 2012



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