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Bifocal segment demonstrator
MANUFACTURING AND DISPENSING EQUIPMENT
demonstrator
Mid-Late 20th c.
plastic
overall: 52 x 163 mm

Two demonstration hand frames in black plastic with alternative hinged fronts to show positioning of round or D-shaped bifocal segments.


2006.373

Gift of Norville Optical Group, 2006



Related Media


2006.373c.jpg

2006.373b.jpg

2006.373.jpg

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