• publisher: Washington : G.P.O
  • creator: United States. Patent Office
  • Keyword: United States. Patent Office Periodicals. Patents United States Periodicals.
  • pages: v. :
  • class: T223
  • isbn: 0083-3002
  • notes: Description based on: 1866, v. 3; title from t.p.
  • download: pdf file