Refractometer in small leather pouch

Refractometer in small leather pouch

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Science Museum Group
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Refractometer in small leather pouch, personal relic of N. Bishop Harman, made by Dixey, 552 Oxford Street, London, England, 1870-1940.

Details

Category:
Ophthalmology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A651888
Materials:
brass, glass and case, leather
Measurements:
open: length 110 mm
closed: length 60 mm
diameter 45 mm
case: length 75 mm
case: width 55 mm
type:
refractometer
credit:
Harman, N.B.