Industry Present and Past Historical Resources
Page
Sunglasses / Photochromic materials
ANSI Z80.3 - 1977 Sunglass Standard link
PDF download (9mb)
Photochromic Lens Material Suppliers:
(First Plastic Photochromic)


Dave LaMarre/Wes Reed document the history of AO Calobar
1948 Catalogue

1975
SAA Presentation on Traffic Signal Rec (1996)