• publisher: New York, Spon & Chamberlain; [etc., etc.]
  • creator: Benson, Thomas William, 1894- [from old catalog]
  • Keyword: Selenium cells.
  • years: 1919.
  • pages: 5 p.l., 63 p.
  • language: eng
  • lccn: s
  • class: QC603
  • download: pdf file