• publisher: Washington U.S. Govt. Print. Off.
  • creator: United States. National Bureau of Standards
  • Keyword: Technology Collected works
  • years: 1911-28.
  • pages: 370 no. in 27 v.
  • class: T1
  • notes: No. 203-370 called also v. 16-22.
  • download: pdf file