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Prism Bar
OPTOMETRIC INSTRUMENTS
prism bar
Clement Clarke Ltd
Europe: United Kingdom, England
Mid-late 20th c.
metal; plastic; leather
overall: 292 mm x 34 mm

Prism bar comprising 16 wedge-shaped prisms (1-45) set within twin metal rails with hanging hole at end. Together with a soft black leather slip case.


2011.693

Gift of the Marton Library Trust, 2011



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