Bishop Harman's diaphragm test

Made:
London
Bishop Harman's diaphragm test, by George Culver Ltd., English

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Bishop Harman's diaphragm test, by George Culver Ltd., English
Science Museum Group
The Board of Trustees of the Science Museum

Bishop Harman's diaphragm test, by George Culver Ltd., English

Details

Category:
Ophthalmology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A181893
Materials:
wood and steel
type:
diaphragm test sets
credit:
Wellcome Trust (Purchased from Stevens)