Catalogue Number: 3946 Glass Spectacle Lens in Envelope Category: Spectacles and lenses Sub-Category: Spectacle lenses Corporation: U K Optical Year Of Publication/Manufacture: 1990s Time Period: 1940 to 1999 Place Of Publication/Manufacture: United Kingdom Publisher/Manufacturer: U K Optical Description Of Item: White envelope 80 mm x 80 mm x10 mm imprinted in light blue with darker blue diagonal strip in the top left corner containing the letters UKO in light blue. The body of the envelope is imprinted in darker blue MINUS CYLINDER/65 MM. The envelope stamped with lens parameters +1.75 -1.00 +0.75 +1.00 in black. Historical Significance: Lenses were part of old stock kept at the ACO dispensing laboratory. How Acquired: Donated by ACO Optical Dispensing Laboratory via David Leeming Date Acquired: 08/2019 Condition: Good Location: Archive office. East wall shelves unit 3. Drawer 8 |