• publisher: New York, D. Van Nostrand company
  • creator: Sheldon, Samuel, 1862- [from old catalog] Mason, Hobart, [from old catalog] joint author
  • contributor: Mason, Hobart, [from old catalog] joint author.
  • Keyword: Electric machinery Direct current. [from old catalog]
  • years: 1900.
  • pages: 3 p.
  • class: TK2182
  • download: pdf file