 | D-shaped 'Eye Preservers' with tinted lenses and tinted side shieldsSpectacles and lenses / Sunglasses Time Period: 19th C | (Cat no. 171
)
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 | Box of flat oval ready-made spectacle lensesSpectacles and lenses / Spectacle lenses Early 20th C Time Period: 1900 to 1939 | (Cat no. 1717
)
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 | Invisible bifocal lensSpectacles and lenses / Spectacle lenses 1902 E J H MacFarlane Time Period: 1900 to 1939 | (Cat no. 1718
)
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 | French glass uncut ophthalmic lensesSpectacles and lenses / Spectacle lenses Early 20th C Time Period: 1900 to 1939 | (Cat no. 1720
)
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 | Glass spectacle lens blanksSpectacles and lenses / Spectacle lenses c 1940 Time Period: 1940 to 1999 | (Cat no. 1721
)
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 | Glass ophthalmic lensesSpectacles and lenses / Spectacle lenses Early to mid 20th C Bausch and Lomb Time Period: 1900 to 1939 | (Cat no. 1722
)
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 | Smoke tinted plano ophthalmic lensesSpectacles and lenses / Spectacle lenses Early 20th C Time Period: 1900 to 1939 | (Cat no. 1723
)
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 | Oval shaped glass ophthalmic lensesSpectacles and lenses / Spectacle lenses Early 20th C Time Period: 1900 to 1939 | (Cat no. 1724
)
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 | Pack of Crookes 1 sphero-cylindrical ophthalmic lensesSpectacles and lenses / Spectacle lenses Early 20th C Bausch and Lomb Time Period: 1900 to 1939 | (Cat no. 1725
)
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 | Cement bifocal lensSpectacles and lenses / Spectacle lenses c 1900 Time Period: 1900 to 1939 | (Cat no. 1739
)
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 | Two boxes of near segment wafers for cement bifocal lensesSpectacles and lenses / Spectacle lenses c 1900 Bausch and Lomb Time Period: 1900 to 1939 | (Cat no. 1740
)
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 | Pair of cased scleral (haptic) contact lensesSpectacles and lenses / Contact lenses and accessories c 1939 Carl Zeiss Time Period: 1900 to 1939 | (Cat no. 1741
)
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 | Various plano-base white and tinted spectacle lenses in individual branded envelopesSpectacles and lenses / Spectacle lenses Early 20thC Time Period: 1900 to 1939 | (Cat no. 1742
)
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 | Pair of uncut glass plano base plus power cylindrical lensesSpectacles and lenses / Spectacle lenses Early 20thC Time Period: 1900 to 1939 | (Cat no. 1744
)
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 | 'Pan' one piece glass bifocal lens blanksSpectacles and lenses / Time Period: 1900 to 1939 | (Cat no. 1745
)
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