Objects
Viewing Record 78 of 104Previous Record Next Record
Switch Views: Lightbox | Image List | List
Prism-controlled bifocal lens
OPHTHALMIC LENSES
bifocal lens
SB Optical Ltd
Europe: United Kingdom, Scotland, Ayrshire, Catrine
1995
glass; paper
1999.161
OPHTHALMIC LENSES
bifocal lens
SB Optical Ltd
Europe: United Kingdom, Scotland, Ayrshire, Catrine
1995
glass; paper
Solid bifocal glass lens with a round addition incorporating prism. Either prism or centre-controlled.
1999.161
College Purchase, 1995