• publisher: London
  • creator: Mayer, Alfred M. (Alfred Marshall), 1836-1897 Barnard, Charles, 1838-1920, joint author
  • contributor: Barnard, Charles, 1838-1920, joint author.
  • Keyword: Light.
  • years: 1889.
  • pages: 8, 89 p.
  • class: QC365
  • download: pdf file