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Blank for 'Quintex' B-2 fused quadrifocal lens
OPHTHALMIC LENSES
quadrifocal lens
Haussmann & Co
North America: USA, Pennsylvania, Philadelphia
20th c.
glass; paper
overall: 59 x 11 mm

Blank for a 'Quintex B-2' fused quadrifocal lens. Glass. Round with fused uncut semi-octagonal front-surface segment. Contained in pink paper envelope.


1999.5609

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