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AO 'b'Active' rule; Lens marking and verification chart
MANUFACTURING AND DISPENSING EQUIPMENT
rule
American Optical Company
Europe: United Kingdom
2001
plastic; card
overall: 267 x 115 mm
2001.144
MANUFACTURING AND DISPENSING EQUIPMENT
rule
American Optical Company
Europe: United Kingdom
2001
plastic; card
overall: 267 x 115 mm
Promotional optician's lens marking and verification chart. Thin plastic-laminated card. Printed in blue, black and red. Various scales on one side only.
2001.144