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astig-type trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
Mid 20th c
metal
eye width: 43 mm; unextended front: 115 mm

Trial frame. White metal with unusual sprung astig-mount. Centre joints. Bowed straight sides. Round eyes with double drop cell in front and single cell to rear. Dark brown plaquets. White plastic semi-circular scales.


2002.299

Boots Opticians Ltd Collection



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