ObjectsViewing Record 11 of 21
Previous Record Next Record
Switch Views: Lightbox | Image List | List
overall: 21 x 110 mm
Cataract spectacles. Blued steel frame. Arched bridge. Centre joints. Thin straight sides with bulbous ends. Oval eye rims and lenses surrounded by shell Martin's Margins plus auxiliary metal occluders hinged to the sides. Left eye has simple occluder. Right eye has occluder with 12mm stenopaeic slit.
BOA Purchase, 1937