Objects
Viewing Record 21 of 52Previous Record Next Record
Switch Views: Lightbox | Image List | List
'AO Compact' slide rule chart
MANUFACTURING AND DISPENSING EQUIPMENT
centration chart
American Optical Company
North America: USA
1998
plastic
overall: 100 x 242 mm
2004.437
MANUFACTURING AND DISPENSING EQUIPMENT
centration chart
American Optical Company
North America: USA
1998
plastic
overall: 100 x 242 mm
Promotional optician's rule and centration chart. Laminated white card, printed in colour, featuring on obverse: p.d. and bridge scales plus two schematic diagrams of an 'AO Compact' progressive lens. On reverse: Sliding lens selector with grey background.
2004.437
Gift of Mr Brian Mitchell, 2004