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trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
c.1920
metal; bakelite
2000.42
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
c.1920
metal; bakelite
Trial frame. White metal. Adjustable sides, bridge height, bridge depth and p.d. Round eyes with white bakelite external half scales. Double lens clip in front of eye and single lens clip behind. Adjusting wheels at joints and at ends of browbar. Thin curl sides.
2000.42
College Purchase, 2000