Catalogue Number: 3929 Pair of Glass Spectacle Lenses in Envelopes Category: Spectacles and lenses Sub-Category: Spectacle lenses Year Of Publication/Manufacture: 1990s Time Period: 1940 to 1999 Publisher/Manufacturer: Direct Optical Supplies Description Of Item: Two light green envelopes 80 mm x 80 mm x10 mm imprinted 'First Quality Compensated lens/SPH/CYL/ White/70 mm/ Direct/ DOS/ Optical Supplies/Australia. One envelope stamped +200 -1.00 the other +050 -175 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 |