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.
29/40 (page 27)