• publisher: [Washington, Govt. Print. Off.
  • creator: United States. National Bureau of Standards Rio de Janeiro (Brazil). Exposição do centenario do Brasil, 1922-1923. United States Emley, Warren Edwards, 1886-
  • contributor: Emley, Warren Edwards, 1886- Rio de Janeiro (Brazil). Exposi冒c盲ao do centenario do Brasil, 1922-1923. United State
  • Keyword: United States. National Bureau of Standards.
  • years: 1922]
  • pages: 14 p. ;
  • class: QC100
  • notes: At head of title: Department of Commerce.
  • download: pdf file