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Polaragraphic cell - Oxygen permeability gauge
CONTACT LENSES AND ACCESSORIES
contact lens measure
Global Vision (UK) Ltd
Europe: United Kingdom
1976
perspex

Perspex instrument on square base. Descending cylinder above centrally located polarographic cell. Red and black electrical wires, white plastic switch and seven-pin connector.


2004.14

Gift of the Institute of Optometry, 2003



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