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trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
metal
1999.3252
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
metal
Triple drop-cell trial frame. Metal frame, round eyes and semi-circular white bakelite protractor scales. Capacity six lenses (2 in front of eyes, 1 behind). High bridge. Adjustable nose rest. Thin straight sides with oval loops at ends.
1999.3252