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trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
Early 20th c.
metal

Double drop cell trial frame. Non-adjustable. White metal rounded edge rear section including C-bridge and joints. Flat-edged front section with fenestration to flattened base. Half oval eyes. Metal scales with flattened bottoms, marked 0-90-0. Thin straight sides with spatula ends.


1999.3290

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