Accommodation rule with instructions

Made:
1910-1930 in New York
maker:
American Optical Company
Accommodation rule with instructions, by American Optical Co

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Accommodation rule with instructions, by American Optical Co
Science Museum Group
© The Board of Trustees of the Science Museum

Accommodation rule with instructions, by American Optical Co., and Keuffel and Esser Co., New York, c. 1920

Details

Category:
Ophthalmology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A625213
Materials:
rule, wood, painted, card carrier, metal and card carrier, plastic, mount
type:
near-point rules
credit:
Moorfields Eye Hospital