Twenty minutes' advice on the eyes, and the means of preserving the sight ... together with the right time for using glasses, and the choice of them / By a retired oculist.

Date:
1834

Licence: Public Domain Mark

Credit: Twenty minutes' advice on the eyes, and the means of preserving the sight ... together with the right time for using glasses, and the choice of them / By a retired oculist. Source: Wellcome Collection.

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