Illumination and print

  • W. D. O’Kelly


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  1. 1.
    Annual Report of the Chief Medical Officer of Education, 1920, p. 48. Comd. 1522, 1921.Google Scholar
  2. 2.
    The Health of the School Child, 1929, p. 43.Google Scholar
  3. 3.
    The Times, London, October 29, 1929.Google Scholar
  4. 4.
    L. A. Legros:A Note on the Legibility of Printed Matter. H.M. Stationery Office, 1922.Google Scholar
  5. 4a.
    See also J. Kerr:The Fundamentals of School Health, 1926.Google Scholar
  6. 4b.
    C. T. Jacobi:Some Notes on Books and Printing. London: Chiswick Press, 1903.Google Scholar

Copyright information

© Springer 1930

Authors and Affiliations

  • W. D. O’Kelly

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