Eleven test cards for squint etc.

maker:
Underwood & Underwood
Eleven test cards for squint etc

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

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Eleven test cards for squint etc
Science Museum Group
The Board of Trustees of the Science Museum

Eleven test cards for squint etc., by Underwood and Underwood, USA

Details

Category:
Ophthalmology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A662604
Materials:
paper
type:
stereoscopic pictures
credit:
Blythe, R.