Collection of spectacles (289), spectacle lenses (93) mounted on pyramid fitting, with labels attached as detailed on list "the evolution of the Bi-focal lens" (neg nos S.M. 2007) may be sold to the public, see R.P. 24/599, dr. Van Rohr. See individual stroke records for more details.
Pyramid shaped exhibition panel mounted with a selection of 93 clear and coloured lenses. The display board is part of the Duncombe Collection of spectacles, which deals with the various types of eye defect that can be rectified with eyeglasses. These include correction for hypermetropia, presbyopia, myopia, astigmatism and strabismus.
Spectacle case of wood covered in green shark skin
1810-1829
Oval white double concave spectacle lens
Silver-framed 'visuals' spectacles
1775-1800
Oval white meniscus convex spectacle lens
Oval white meniscus concave spectacle lens
Round blue double convex spectacle lens
Oval blue double concave spectacle lens
Oval blue meniscus convex spectacle lens
Oval blue meniscus concave spectacle lens
Oval pink meniscus convex spectacle lens
Oval smoke double convex spectacle lens
Oval smoke double concave spectacle lens
Oval smoke meniscus convex spectacle lens
Oval smoke meniscus concave spectacle lens
Oval smoke deep double concave spectacle lens
Oval amber double concave spectacle lens
Oval white deep double concave spectacle lens
Round white deep meniscus concave spectacle lens
Round blue deep double concave spectacle lens with ground edges
Oval white 'new system' deep plano-concave lens.
Round blue double convex cataract lens.
Round white double convex cataract lens.
Round smoke double convex cataract lens.
Round white meniscus convex cataract lens.
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Details
- Category:
- Optics
- Object Number:
- 1921-323
- type:
- spectacles
- credit:
- Dunscombe collection of spectacles
