A practical treatise on the diseases of the eye / by Haynes Walton.

  • Walton, Henry Haynes, 1816-1889.
Date:
1875
Catalogue details

Licence: Public Domain Mark

Credit: A practical treatise on the diseases of the eye / by Haynes Walton. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

    1243/1250
    TEST-TYPES. Corresponding in size to that of Prof. Jwger. In the original the scale is graduated from 1 to 20, but my selec- tion is enough for practical purposes. I beg my reader to refer to p. 607, and read' what I have said about test-types. No. ]. I In the days when ft-iries lived and fairy gifts were plentiful, there was a worthy man who, for some good turn he had done one of the good folks, had receivHd a very singular reward. Tliia was nothing elao than an extra pair of eyea, wliioh he coulU slip on and off at pleasure. They wore not exactly spectacles. He did not put tliem on his nose, nor could he say exactly where ho did put them. All he knew waa that Nu. 3. whencyer he lilted to have them on, there they were. And it was surprising what curious things he saw. whether he stayed at home or travelled abroad, by the help of these same extra eyes. Whrn Jie No. 5. toH people what he saw with them, or had seen in his travels and adventures, they would not believe him. And then he would bid them just slip them on for a minute, No. 6. or beg them to go to the various places he had been visiting, and try them on there. And they never failed to acknowledge that all he had described was No. 8. perfectly true, though somehow they had never been able to see it before. Does the reader possess a pair of these extra eyes ? If he No. 10. do not, I advise him to use his l)est diligence to obtain a pair of such valuable optical appliances, and without No. 12. loss of time. Unfortunately they are not to be obtained for silver, or gold, or