Set of 5, spatulate ended rods, used for testing c
Set of 5, spatulate ended rods, used for testing colour vision and central scotomata(?), English, 1870-1880
- Object Number:
- optical instruments and ophthalmology (colour vision), ophthalmology (visual fields), ophthalmology (colour vision), ophthalmology (visual fields), optical instruments and scotometers
- Guy Drew, H.
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