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simple trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
Mid 20th c.
metal
overall (front): 107 mm; side: 138 mm

Simple triple drop-cell trial frame. White (gun?) metal with very short off-set lugs stemming from back cell. Arch bridge. Thin wire sides with end stumps. Half round rims with engraved axis scales.


2017.134

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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