MusEYEum Online Catalogue

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'Permalens' contact lens rule
CONTACT LENSES AND ACCESSORIES
rule
CooperVision
Late 20th c.
plastic
overall: 167 x 35 mm

Ruler. White plastic with scales marked in blue and black. Obverse: 14cm scale to each edge. D and mm conversion chart in centre. Reverse: Iris diameter scale to each edge. Promotional inscription in centre and on ends.


2000.310

Gift of Mr Philip Freeman, FCOptom, 2000



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