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simple trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
steel
1999.4594
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
steel
Simple single drop-cell trial frame. Steel frame. C-bridge. Half-eyes with sprung-hinged grooved clips to hold lens. Thin straight sides with oval loops at ends. Contains two round trial lenses.
1999.4594
Gift of Mr W. H. Wingate, 1930