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trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
1895
metal

Trial frame. Metal frame, fully-revolvable round eyes and semi-circular white bakelite scales. Twin spring cells in front of eyes to hold lenses in place and single fixed cell behind each eye. Bridge bar with sliding nose rest and inlaid PUPIL and TEMPLE bakelite scales. Sliding sides with wire curl ends.


2018.707

Gift of Mr Richard Betjemann FCOptom, 2018



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