Circular trial lens
- maker:
- Down Bros Limited
Circular trial lens, for 'cone muscular test', made by Down Bros Limited, 21-23 St. Thomas's Street, London, England, 1920-1930.
Details
- Category:
- Ophthalmology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A680606
- type:
- trial lenses
- credit:
- Down Bros Limited
