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Moorfields-type trial frame / Makin's trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
Europe: United Kingdom
20th c.
metal
overall: 61 mm x 135 mm; side length: 135 mm
1999.3291
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
Europe: United Kingdom
20th c.
metal
overall: 61 mm x 135 mm; side length: 135 mm
Triple drop cell trial frame. White metal. Half oval eyes. Metal scales with flattened bottoms, marked 0-180. Adjustable for P.D. and nose rest. Bowed straight sides with bent ends.
1999.3291