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Zeiss trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
Carl Zeiss (Jena)
Europe: Germany
20th c.
plastic; metal
overall: 148 mm

Trial frame. Mainly painted black metal with some exposed white metal areas. Adjustable bridge height, bridge projection and p.d. Round eyes with directly printed silver-coloured scales, marked 35-145. Triple sprung lens clip in front of eye and single rigid lens clip behind. Milled adjusting wheels at joints to tighten sides to patient's head. Fixed-length straight skull-grip sides with black plastic end covers.


2014.900

Gift of Mrs Margeurite Knight via Mr and Mrs Thompson, 2014



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