DBA spectacle frame, Melissa
 Catalogue Number: 1635 DBA spectacle frame, Melissa Category: Spectacles and lenses Sub-Category: Spectacles (with lenses) Year Of Publication/Manufacture: c 1980 Time Period: 1940 to 1999 Publisher/Manufacturer: DBA ? Description Of Item: Crystal acetate spectacle frame with blue grey sides, 120 x 50 mm, saddle bridge, spring sides, plano lenses one marked 'dba', right side marked 'DBA Melissa', left side marked 'Blue 48.16' Historical Significance: Is DBA the name of the manufacturer or does it mean that the frame is made from Adimoll? DB. Adimoll? DB(Di-n-butyladipinate) a plasticiser for melt processable cellulose esters (CAB, CP), vinyl chloride-vinyl acetate copolymers (VCVAC), polyvinyl chloride (PVC), nitrocellulose etc and is used for spectacle frames, protective goggles for welders, decorative trim and technical articles How Acquired: Donated by ACO Clinic Date Acquired: Oct 2010 Condition: Very good Location: Archive Office. Spectacles cabinet Drawer 15 |