Refraction and how to refract : including sections on optics, retinoscopy, the fitting of spectacles and eyeglasses, etc. / by James Thorrington.
- Thorington, James, 1858-1944.
- Date:
- 1910
Licence: In copyright
Credit: Refraction and how to refract : including sections on optics, retinoscopy, the fitting of spectacles and eyeglasses, etc. / by James Thorrington. Source: Wellcome Collection.
Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)
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