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simple trial frame with pupillary distance scale
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
20th c.
metal
overall (front): 126 mm; side: 140 mm

Simple double drop-cell trial frame. Shiny white metal with off-set lugs. Straight bridge, incorporating a p.d. scale. Round-section sides with bent back spatula ends. Half round rims with white-on-black axis scales.


2016.846

Gift of Mrs Rose Silman, 2016



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