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An instrument worn on the head that was used to measure focal distances of lenses for glasses.
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An instrument worn on the head that was used to measure focal distances of lenses for glasses.
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An instrument worn on the head that was used to measure focal distances of lenses for glasses.
Place
Archive Attributes
Collection:
Ballymoney Museum
Owner:
Ballymoney Museum
File Type:
Image
Accession Number:
BHC:2007.121
Added to archive:
04-07-2019
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