Catalogue Number: 4479 I O C Griffin Contact Lens Curvature Measurement Tool Category: Equipment Sub-Category: Contact lens equipment Corporation: I O C Griffin Pty Ltd Time Period: 1940 to 1999 Publisher/Manufacturer: I O C Griffin Pty Ltd Description Of Item: Black plastic rectangular base 177 x 49 x 27 mm engraved with the words IOC Griffin Pty Ltd, a company logo and the numbers 6.9, 7.2, 7.5, 7.8, 8.1 and 8.4 on which are mounted six clear Perspex domes. Black base is not quite square; 51mm width at left edge, 49mm wide at right Historical Significance: The device was used for measuring the radius of curvature of the back surface of soft contact lenses How Acquired: Donated by Pamela Sutton Date Acquired: November 2024 Condition: Very Good Location: Archive room. West wall. Unit 6 Overhead display |