Wooden instrument containing a hand revolved disc which bears smaller coloured discs

Made:
1830-1890 in Dublin
Wooden instrument containing a hand revolved disc which bears smaller coloured discs

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Wooden instrument containing a hand revolved disc which bears smaller coloured discs, possibly early scotometer or simply for testing colour vision, made by Fannin and Co., 41 Grafton Street, Dublin, Ireland, 1830-1890.

Details

Category:
Ophthalmology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A680283
Materials:
wood, paper and metal
Measurements:
length 160 mm
max: diameter 54 mm
type:
optical instruments

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