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AO Measuring Card
MANUFACTURING AND DISPENSING EQUIPMENT
rule
American Optical Company
North America: USA
1930s?
card
overall: 96 x 184 mm
2002.675
MANUFACTURING AND DISPENSING EQUIPMENT
rule
American Optical Company
North America: USA
1930s?
card
overall: 96 x 184 mm
Spectacle frame measuring rule. White card. Scales marked on upper side, printed in black. Instructions printed on reverse together with promotion for Tillyer Lenses. Includes two slots for insertion of lenses.
2002.675
Paul Fairbanks Archive