American Optical 'Portex' lens blank
 Catalogue Number: 4334 American Optical 'Portex' lens blank Category: Spectacles and lenses Sub-Category: Spectacle lenses Corporation: American Optical Company Year Of Publication/Manufacture: 1930s? Time Period: 1900 to 1939 Place Of Publication/Manufacture: Southbridge, Mass., USA Publisher/Manufacturer: American Optical Description Of Item: Single flat glass lens in original packet, square with rounded corners, large chip on one edge, 'AMERICAN OPTICAL COMPANY / PLANO CYLINDER / OPHTHALMIC LENS /Focus /PORTEX / SOUTHBRIDGE / MASS / USA in dark blue print on buff coloured packet. -.25 stamped next to 'Focus' How Acquired: Donated by Elizabeth Hatfield Date Acquired: 14/06/2017 Condition: Fair. Lens chipped but packet in good condition Location: Documents Room Green Daytona Cabinet Drawer 4 |