Report on the influence of school-books upon eyesight / British Association for the Advancement of Science.

  • British Association for the Advancement of Science.
Date:
1913

Licence: In copyright

Credit: Report on the influence of school-books upon eyesight / British Association for the Advancement of Science. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

    23/40 (page 21)