Catalogue Number: 3938 Pair of Glass Spectacle Lenses in Envelopes Category: Spectacles and lenses Sub-Category: Spectacle lenses Corporation: Hoya Lens Year Of Publication/Manufacture: 1990s Time Period: 1940 to 1999 Place Of Publication/Manufacture: Thailand Publisher/Manufacturer: Hoya Lens Description Of Item: Two white envelopes 80 mm x 80 mm x10 mm imprinted with pink circular design and a small square in the bottom left corner containing the letters Hoya Lens and stylised spectacle frame in white. 65mm Minus Cylinder Series is printed in pink to the right of the square. One envelope is stamped +2.25-1.75 in red and +0.50 +1.75 3.3 in black the other +3.75 -0.25 in red and +3.50 +0.25 1.7 in black. Historical Significance: Lenses were part of old stock kept at the ACO dispensing laboratory. Hoya Lens is a large Japanese manufacturer of lenses and optical equipment. It began manufacturing lenses in 1941. 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 |